Part_A題庫解讀

1、CWI Part A13AAA 128.A1 2008-07-22 English-ChinesePART AFUNDAMENTALS1- 1-68. Which of the follow ing should be true regarding in specti on reports?關(guān)于檢驗報告,F面哪條是正確的？(A) clearly written -書寫工整(B) contain all required information -包含所有要求的信息(C) readily accessible -便于查找(D) all of the above -以上都是(E) only (B)

2、 and (C) above -僅上述(B)和(C)1-2-75. Which of the followi ng is NOT importa nt or esse ntial to good record keep ing ?對良 好的記錄保持而言，下述的哪些內(nèi)容并不重要？(A) clearly and concisely stated facts -簡明扼要的事實陳述(B) a good company policy manual -本公司方針手冊(C) well organized reports presenting a total picture -反映全貌的，條理清楚的報告(D)

3、 logical sequenee to reporting -報告的邏輯次序(E) all supporting forms ,reports and data included or referenced-包括所有支持性表格，報告和數(shù)據(jù)或參考的資料1-3-85. Prior to welding. A CWI should check which of the following? 在焊接前，焊接檢驗師(CWI )應(yīng)檢查下列哪些？(A) if the welding procedure is qualified in accordanee with the contract spec 焊接

4、工藝是否已經(jīng)按照合同技術(shù)條件評定合格(B) if the welder is qualified for the process and position -焊工是否已經(jīng)按照相應(yīng)的焊接方法和焊接位置評定合格(C) if the joint desig ns and joint preparati ons meet the requireme nts of the weldi ngprocedure -焊接接頭的設(shè)計和準(zhǔn)備是否滿足焊接工藝的要求(D) the inspection requirements called out by the contract spec -合同技術(shù)條件規(guī)定的檢驗要

5、求(E) all of the above 以上都是1-4-87. A CWI 'records may be used for which of the follow in g?焊接檢驗師的記錄可以用來做下列哪些？(A) to help recall and verify past decisions -幫助回憶和驗證做過的決定(B) used to verify the payme nt of work in voices -用來驗證工作發(fā)票的付款情況(C) to verify man -hour records for the shop -驗證車間工作的人天數(shù)(D) for pa

6、cking slips for shipping -用來準(zhǔn)備發(fā)運單(E) all of the above -以上都是1-5-93. What is /are the primary reason(s) for a weldi ng in spector to be ethical?焊接檢驗師必須要有職業(yè)道德的主要原因是什么？(A) insure that the employer receives fair value for inspection fees- 以確保房雇主能夠 收到公平價格的檢驗費(B) render impartial decisions -避免片面的決定(C) reje

7、ct every weld the first time of inspection-在首次檢驗時拒收所有的焊縫(D) safeguard the public 'health and well-bei ng -保護公眾的健康和利益(E) ( B) and ( D) above -上述(B)和(D)1-6-107. The qualification of a CWI covers which of the following areas?焊接檢驗師(CWI )的資格評定覆蓋了下列哪些部分？(A) specify welding procedures-規(guī)定焊接工藝(B) compute

8、 allowable stresses-計算許用應(yīng)力(C) perform radiographic exam in atio ns-進行射線探傷(D) conduct tests for analysis of base material composition-進行母材成份分析試驗(E) none of the above-以上都不是1-7-138. Which of the followi ng should a weldi ng in spector do?焊接檢驗師應(yīng)做下列哪 些工作？(A) make sure records meet specified requirements-

9、確保記錄符合規(guī)定的要求(B) make sure records are available when needed-當(dāng)需要時，確保記錄可以得至U(C) make sure records are in as much detail as necessary確保記錄盡可能地詳纟田(D) all of the above-以上都是(E) only(A)and (B) above-僅上述(A )和(B)1-8-142. The CAWI助理焊接檢驗師 .(A) is resp on sible for determ in ati on of a weldme nt' s con forma

10、 nee to accepta ncesta ndards負(fù)責(zé)確定焊接件滿足驗收標(biāo)準(zhǔn)(B) inspects only the fabricated hard ward associated with welding- 只檢驗與焊接有關(guān)的部件(C) performs inspections under the direction of a CWI-在 CWI 的指導(dǎo)下進行檢驗(D) is a consultant to the CWI-是 CWI 的顧問(E ) annot inspect critical hardware-不能檢驗關(guān)鍵工作2- 1-32、Which of the follo

11、wing are true regarding electrical hazards? 關(guān)于電氣安全，下列哪 條是正確的?(A) present in electric arc welders 存在于電弧焊焊工(B) present in secondary leads 存在于次級電纜(C) minimized by proper equipment installation 可以由正確的設(shè)備安裝降至最低(D) more severe in the presenee of water or moisture 在有水或潮氣存在的時候會更嚴(yán)重(E) all of the above 以上都是3-

12、1-1、 What characteristics can be expected when using gas metal arc welding with short-circuiting transfer mode on heavy plate?采用短路過渡的熔化極氣體保護焊接厚板時，有 何特性？(A) excellent fusion-非常好的熔合(B) deep penetration -深的熔深(C) excellent deposition rate-非常好的熔敷速度(D) (A) and (B)above-上述(A )和(B)(E) none of the above -以上都

13、不對3-2-4、What shade filter plate (or eye protect ion) is n eeded whe n observi ng submerged aer welding at 1000Amps?在觀察焊接電流為1000安培的埋弧焊時，需要使用哪種濾光板(或 眼睛保護)？(A) No.14filter 14 號濾光板(B) No.12filter 12 號濾光板(C) No.10filter 10 號濾光板（D）No. 4filter 4 號濾光板（E）Clear safety goggles or safety glasses沒有濾光的風(fēng)鏡或安全鏡3-3-5

14、、Which of the following processes can be used to join quenched and tempered steels? 下述哪種焊接方法可以用來焊接調(diào)質(zhì)鋼？（A）SMAW（B）SAW（C）GMAW（D）all of the above 上述都可以（E） only （ B） and （ C） above 僅上述（B）和（C）3-4-7、Figure 3 above shows上面圖 3 顯示的是（A）shielded metal are welding （SMAW） 手工電弧焊（B）flux cored are welding （ FCAW） 藥芯

15、焊絲電弧焊（C）electroslag welding （ESW） 電渣焊（D）gas tungsten arc welding （GTAW） 氬弧焊（E）stud welding （SW）螺柱焊3-5-9. Which of the following is/are recommended to prevent cracking in the weld of low-alloy steels?為防止低合金鋼焊縫的開裂，下列哪些措施是推薦的？（A） controlling hydrogen content during welding- 在焊接過程中控制氫的含量（B）using minimum

16、 required preheat and in terpass temperatures-采用最低要求的預(yù)熱和層間溫度（C）using grades with low carbon and alloy content-用含碳和合金含量低的鋼級（D）all of the above-上述都是（E）only （B） and （C） above-僅上述（B ）和（C）Figure 7 ffi73-6-17、Figure 7 above shows面的圖 7 表示（A）air carbon arc cutting（ CAC-A） 碳弧氣割（CAC-A）（B）oxyfuel gas cutting （

17、OFC） 氧切割（OFC）（C） gas tungsten arc cutting（GTAC） 鎢極氣體切割（GTAC）（D）mechanical cutting 機械切割（E）plasma arc cutting（PAC）等離子弧切割（PAC）3-7-36、Brazed joints can be destructively tested by which of the following testing methods? 釬焊接頭破壞性試驗可以采用下述的哪種試驗方法？（A）metallographic 金相檢驗（B）peel 剝離試驗（C） tension 拉抻試驗（D）all of th

18、e above 以上都是（E）none of the above 以上都不是3-8-47. Figure 15 shows a test fixture for which welding process ?圖 15 顯示了用于下面哪個焊接方法的試驗裝置？(A) shielded metal arc welding (SMAW )-手工電弧焊(SMAW )(B) gas metal arc welding ( GMAW)-熔化極氣體保護焊(GMAW)(C) electroslag welding ( ESW)-電渣焊(ESW)(D) gas tungsten arc welding ( GTA

19、W)-氬弧焊(GTAW)(E) arc stud welding ( SW)-螺柱焊(SW)3-9-52. I n braze weldi ng, flux may be applied by which of the followi ng methods ? 在釬焊 過程中，可用下述哪種方法施加釬劑？(A) usi ng a filler rod pre- coated with flux-使用預(yù)先涂有釬劑的焊絲(B )introducing flux through the oxyfuel gas flame-通過氧燃?xì)饣鹨脞F劑(C) brushi ng the flux on the

20、joi nt prior to braz ing-在開始釬焊前在接頭處刷上釬劑(D) any of the above -上述任何一個(E ) only (A) or ( B) above -僅上述(A)或(B)TWlAe LEADTRAVELSHIELDING GASA/WIRE ELECThTODF 一WELDING CURRENT contact tube- SOLiWAEDWELD METALPENETRAT/ONFigure 18 - 918材仇TEN WELD METAL3-10-53. What is the welding process illustrated by Figu

21、re 18 ?圖 18 所示的是哪種焊接方 法？(A) Shielded Metal Arc Welding (SMAW )-手工電弧焊(SMAW )(B) Gas metal Arc Welding(GMAW )-熔化極氣體保護焊( GMAW )(C) Gas tungsten Arc Welding ( GTAW)-氬弧焊(GTAW)(D) Submerged Arc Welding (SWA)-埋弧焊(SWA)(E) Plasma Arc Welding(PAW)-等離子焊(PAW)3-11-63. ACM shall be familiar with and un dersta nd

22、the fun dame ntals of what ?焊接檢驗師(CWI )應(yīng)熟悉和理解的基本原理(A)SMAW(B)FCAW(C)GMAW(D)GTAW(E)all of the above -以上都是3-12-77. Which lens shade number is recommended when oxyacetylene welding 16 gauge steel?用氧乙炔焊厚度為16#的鋼時，推薦的遮光鏡是多少號？(A) shade #4 or 5 - #4 或 #5 遮光鏡(B) the same lens shade as recommended for submerge

23、d arc welding -禾口埋弧焊時所推薦 的遮光鏡一樣(C) shade #6 or 8 - #6 或 #8 遮光鏡(D) shade #10 or 12 - #10 或 #12 遮光鏡(E) shade #2 - #2 遮光鏡3-13-84. Which of the followi ng is /are true regard ing air carb on arc goug ing?關(guān)于碳弧切割，下列哪個是正確的？(A) requires an electrode holder -需要夾持碳棒的夾具(B) requires an air supply -需要氣源(C) may b

24、e done manually or mechanically -可以手工或機械操作(D) all of the above -以上都是(E) only(A)and(B)above -僅上述(A)和(B)3-14-89. During electroslag weldi ng, how may cracks may be avoided?電渣焊時，怎樣可以避免裂紋？(A) maintaining proper electrode feed rate -保持適當(dāng)?shù)乃徒z速度(B) maintaining proper current -保持適當(dāng)?shù)碾娏?C) maintaining proper s

25、paci ng betwee n electrodes or guide tubes -保持焊絲和導(dǎo)電嘴之 間適當(dāng)?shù)木嚯x(D) all of the above -以上都是(E) only (A) and ( C) above 僅上述(A )和(C)3-15-94. Perform ing SMAW with too a high travel speed can result in which of the follow in g?手工電弧焊焊接速度太快會導(dǎo)致下列什么情況？(A) decreased penetration 降低熔深(B) undercutting at the edges

26、of the weld -在焊縫的邊緣形成咬邊(C) difficulty in slag removal -清渣困難(D) all of the above -以上都是(E) only (A) and ( C) above 僅上述(A )和(C)3-16-98. Which of the followi ng shieldi ng gases may be used for GMAW? 下列哪些保護 氣體可用于GMAW ?(A) argon-氬氣(B) helium-氦氣(C) CO2-二氧化碳(D) all of the above-以上都是(E) only(A)and(B)above-僅

27、上述(A )和(B)3-17-99. Reverse polarity is a nonstandard term for what? 反向極性的非標(biāo)準(zhǔn)術(shù)語?(A) direct current electrode negative-直流正接(B) direct current electrode positive-正流反接(C) direct current straight polarity- 直流正向極性(D) direct current reverse polarity- 直流反向極性(E) none of the above-以上都不是3-18-104. Torch brazi n

28、g is accomplished by the use of which of the follow in g?火焰釬焊是使用下列哪種方式來完成？(A) a neutral oxyfuel gas flame-中性氧然料氣體火焰(B) a slightly reducing oxyfuel gas flame-稍微減弱的氧燃料氣體火焰(C) an air -fuel gas flame-空氣燃料氣體火焰(D) all of the above-以上都是(E) only(A)and (B)above-僅上述(A )和(B)3-19-105. Which of the following def

29、ects does NOT occur when a weld is made by theGTAW process?用GTAW工藝焊接的焊縫不會出現(xiàn)下列哪種缺陷？(A) porosity-氣孑L(B) slag inclusions-夾渣(C) cracks-裂紋(D) in complete fusion-未熔合(E) overlap-焊瘤3-20-108. When other weld ing variables are held con sta nt, i ncreas ing the weldi ng curre nt during FCAW will do which of th

30、e following?在FCAW 中，當(dāng)其它的焊接變量保持不變，增加焊接電流將會怎樣？(A) in crease electrode deposition rate-增加焊絲熔敷率(B) in crease pen etrati on-增加熔深(C) produce con cave weld beads with poor appeara nee-產(chǎn)生凹隱的焊道并且外觀成開差(D) all of the above-以上都是(E) only (A) and (B) above-僅上述(A)和 (B)3-21-114. Direct curre nt electrode positive m

31、eans the work -piece is conn ected to直流反接是指工件連接到 .(A) “ reversible” (alternating) current-交流電源(B) the positive terminal-正的接線端(C) the negative terminal-負(fù)的接線端(D) all of the above-以上都是(E) none of the above-以上都不是3-22-116. To maintain weld quality during Arc Stud Welding, which of the following arenecess

32、ary?為了保證螺柱焊縫質(zhì)量，下列哪些是必須的？(A) have sufficient welding power-功率足夠的焊接電源(B) use DC Electrode Negative(straight polarity)for aluminum- 對于鋁材，采用直流正接(C) make test welds before starting-開始焊接前做試驗焊縫(D) only(A) and (B) above-僅上述(A)和(B)(E) only(A) an d(C)above-僅上述(A )和(C)3-23-120. The dista nee betwee n the tip o

33、f the weldi ng electrode and the weld pool surface is called.焊接端部和熔池表之間的距離稱為(A) arc force-電弧力(B) arc length-弧長(C) arc blow-電弧偏吹(D) arc strike-電弧擊傷(E) arc chamber-弧罩3-24-122. Optimum results are more likely whe n E xx 18 low-hydroge n electrodes are E xx 16和E xx 18低氫焊條在 的情況下更有可能獲得最佳的效果.(A) used with

34、a long arc on dow nhill weldi ng and a short arc on uphill weldi ng-下坡焊時采用長弧而爬坡焊時采用短弧(B) stored in a refrigerator when the container has been opened-打開包裝后存放在冰箱里(C) used in a holding oven at proper temperat ure-存放在合適溫度的保溫烘箱里(D) used with a“ whipping ” technique on light gage在焊接較薄的金屬時采用"挑焊”技術(shù)(E)

35、replaced with E xx 13electrodes on vertical work-在立焊位置時用 Exx 13 焊條代替3-25-125. Manufacturers recommend that E7018 electrodes be used with a “ shortarc welding technique .This technique helps to do what? 制造商推薦 E7018 焊條應(yīng)采用"短弧”焊 接技術(shù)，這技術(shù)有助于什么？(A) speed the metal transfer across the arc-加速金屬在電弧中的過渡(B

36、) ma in tai n good shieldi ng of the molte n weld po ol-保持對熔池的良好保護(C) in welding thin sheet metal-薄板金屬的焊接(D) root pass ” whipping ” burn thho根部道用"挑焊”燒穿(E) the GMAW process weld sheet metal-用 GMAW 來焊接薄板金屬3-26-130. Plasma Arc Cutti ng (PAC) is better suited than Oxyfuel Gas Cutt in g(OFC) for cut

37、ting which of the following materials? 等離子切割要比氧燃?xì)馇懈罡m合于下列哪種材料？(A) ferrous sheet metal-鐵基金屬薄板(B) non ferrous metals(i.e., alu minum ,copper ,brass, etc)-非鐵基材料 (如鋁, 銅，黃銅等)(C) any metals with a thickness over 5 inches-厚度超過 5 英才的任何金屬(D) sta in less steel sheet and plate-不 銹鋼薄板和不銹鋼鋼板(E) (A) , (B),and (D)

38、 above-上述(A) , (B)和(D)3-27-134. Gas Metal Arc Weldi ng (GMAW) is suitable for what metals? GMAW適合于焊接什么金屬？(A) carbon steel-碳鋼(B) stainless steel-不銹鋼(C) aluminum-鋁(D) all of the above-以上都是(E) only(A) and (B)above-僅上述(A )和(B)3-28-139. What is /are the fun cti on(s) of the coveri ng on an arc weld ing e

39、lectrode? 電焊條 上藥皮有什么作用？(A) provide shielding gas-提供保護氣體(B) provide protective slag-提供保護焊渣(C) provide deoxidized weld 提供焊縫金屬脫氧(D) provide arc stabilization-提供穩(wěn)定電弧(E) all the above-以上都是3-29-141. In SMAW, the correct arc len gth is esse ntial to good weldi ng performa nee, which factors affect arc leng

40、th?對于SMAW，正確的弧長是良好焊接操作的基礎(chǔ)，哪個因素影響弧 長？(A) electrode classification-焊條的類別(B) electrode diameter-焊條的直徑(C) welding position-焊接位置(D) all of the above-以上都是(E) only(A) and (B) above-僅上述(A )和(B)3-30-144. How should SMAW electrodes be kept? SMAW 焊條應(yīng)該怎樣保存？(A) sealed in their original container until ready for

41、use -密圭寸在它們的原包裝中以 備使用(B) in the gang 'box -在工具箱中(C) at 550° 290 °C un til the con tai ner is ready to be ope ned -在 550° 290 °C 的條 件下直到打開原包裝(D) at 350° 175 C un til the con tai ner is ready to be ope ned -在 350° 175 C 的條 件下直到打開原包裝(E) in open cans located around the

42、job site ready for use -在敝開的罐內(nèi)并放置在現(xiàn) 場以備使用3-31-146. A proper travel speed is essential to good welding performanee. Which of the followi ng factors in flue nce(s) travel speed? 正確的焊接速度是良好焊接操作的重要因素，下列哪些因素影響焊接速度？(A) surface condition of the base metal -母材的表面狀態(tài)(B) joint fit-up -接頭的裝配(C) welding current

43、-焊接電流(D) all of the above 以上都是(E) only(A)and (B)above -僅上述(A)和(B)4-1-2、What weldi ng symbol in Figure 1 represe nts the weld joint show n below? 圖 1 中的 哪個焊接符號代表下圖所示的焊接接頭?(A) 1(B) 2(C) 3(D) 440*Figure 4 045CWI Part A#AAA 128.A1 2008-07-22 English-ChineseCWI Part A16AAA 128.A1 2008-07-22 English-Chine

44、se(巳5Line4-2-10 . Which welding symbol in Figure 4 represents the weld joint shown below?的哪個焊接符號代表下圖所示的焊接接頭?(A) 1(B) 2(C) 3(D) 4FOR QUESTIONS 12 THROUGH 16, FIGURE 6 APPLIES:圖 6 應(yīng)用于試題 12 至 6Figure 6 - 0064-3-12 . For the fillet weld in Figure 6, dime nsi on #1 desig nates the .對于圖 6 的角焊縫，尺寸#1表示。（A）t

45、heoretical throat-理論焊喉（B）effective throat-有效焊喉（C）actual throat-實際焊喉（D）convexity-凸度（E）size of weld-焊縫尺寸4-4-13 > For the filet weld in Figure 6, dime nsion #2 desig nates the 對于圖 6 的角焊縫尺寸#2表示。（A）convexity 凸度（B）size of weld 焊縫尺寸（C）theoretical throat 理論焊喉（D）actual throat 實際焊喉（E）effective thr oat 有效焊喉

46、4-5-14 > For the filet weld in Figure 6, dime nsion #3 desig nates the 對于圖 6 的角焊縫尺寸#3表示。（A）effective throat 有效焊喉（B）convexity 凸度（C）penetration 熔深（D）theoretical throat 理論焊喉（E）actual throat 實際焊喉4-6-15、For the fillet weld in Figure 6, dimension #4designates the 對于圖 6 的角焊縫，尺寸#4表示。(A) penetration 熔深(B)

47、 overlap 焊瘤(C) undercut 咬邊(D) convexit y 凸度(E) con cavity 凹度4-7-16、For the fillet weld in Figure 6,dime nsio n #5 desig nates the 對于圖 6 的角焊縫，尺寸#5表示。(A) size of weld 焊縫尺寸(B) overlap 焊瘤(C) undercut 咬邊(D) convexity 凸度(E) con cavity 凹度4-8-19、Backstep sequenee welding is often used,分段退焊法通常用來。(A) for ease

48、 of operation 便于操作(B) for tacking the welded material 點焊需要焊接的材料(C) to speed up welding 加快焊接(D) to reduce distortion 減少變形(E) to prevent crater cracks 防止弧坑裂紋Figure 11 -圖4-9-29、Which of the symbols show n in Figure 11 is used to in dicate a fieldweld as no ted inthe curre nt editi on of AWS A2.4, Stan

49、dard Symbols for Weldi ng, Braz ing, and Non destructiveExam in atio n?按照新版AWS A2.4焊接，釬焊以及無損探傷標(biāo)準(zhǔn)符號，圖11中的哪一個符號用來表示現(xiàn)場焊縫？(A) 1(B) 2(C) 3(D) 4(E) Field welds are not shown on the drawings ,現(xiàn)場焊縫在圖紙上沒有標(biāo)明-K12CWI Part A#AAA 128.A1 2008-07-22 English-ChineseCWI Part A21AAA 128.A1 2008-07-22 English-Chinese4-

50、10-35、Which welding symbol in Figure 12 represents the weld joint shown below? 圖 12中的哪個焊接符號代表下圖所示的焊接接頭？(A) 1(B) 2(C) 3(D) 4(巳54-11-39、Which of the following is/are sometimes used to control distortion in a weldment?F面的哪些方法可以用來控制焊接件的變形?(A) pee ning 錘擊(B) preheating 預(yù)熱(C) fixtures and stress relief 工裝

51、夾具和應(yīng)力釋放(D) backstep welding 分段退焊(E) all of the above 以上都是4-12-42、For the weld in Figure 14,No,1 indicates the 對于圖 14 中的焊縫，#1 代表(A) beads 焊道(B) weld root 焊根(C) weld toe 焊趾(D) face reinforceme nt 表面余高(E) weld face 焊縫面4-13-43、For the weld in Figure 14,No,1 indicates the 對于圖 14 中的焊縫，#2 代表(A) beads 焊道(B)

52、 weld root 焊根(C) weld toe 焊趾(D) face reinforcement 表面余高(E) weld face 焊縫面4-14-44. For the weld in Figure 14, No.3 indicates the .對于圖 14 中的焊縫，#3 代表(A) beads 旱道(B) weld root -焊根(C) weld toe -焊趾(D) face reinforcement -表面余高(E) weld face -焊縫面4-15-45. For the weld Figure 14, No.4 indicates the .對于圖 14 中的焊縫

53、，#4 代表.(A) beads 旱道(B) weld root -焊根(C) weld toe -焊趾(D) face reinforcement -表面余高(E) weld face -焊縫面4-16-46. For the weld Figure 14, No.5 indicates the .對于圖 14 中的焊縫，#5 代表.(A) beads 旱道(B) weld ro ot -焊根(C) weld toe -焊趾(D) face reinforcement -表面余高(E) weld face -焊縫面OZ3Figure 16 0B 164-17-48. Which is the

54、 correct welding symbol for the desired weld in Figure 16 ? 對圖 16 中所想要的焊縫，正確的焊接符號是哪個？(A) A(B) B(C) C(D) D(E) E4-18-50. The symbol in Figure 17 shows the con figuratio n of a .(A) U-grove weld -LI 型坡口焊縫Figure 17 hdow - T面圖 17(B) bevel-groove weld -削邊坡口焊縫(C) J-groove weld -J 型坡口焊縫(D) fillet weld -角焊縫(

55、E) flare -/-groove weld -喇叭口 V 型坡口焊縫FOR QOESTIONS 56 THROUGH 59, THE WELDING SYMBOLS IN FIGURE 18 AAPPLY-圖18A應(yīng)用于試題 56至59IM (3/8) /1/43/16Figure -圉 ISA3/B (7/1 &) /4-19-56. In Figure 18A, a weld that exte nds all around the joint is show n at nu mber ,在圖18A中，編號為 顯示的是焊縫環(huán)繞整個接頭.(A) 9(B) 4(C) 7(D) 3(E) 84-20-57. In Figure 18A, an intermittent fillet weld is shown at number 在圖 18A 中,編號為顯示的是斷續(xù)角焊縫(A) 1(B) 9(C) 4(D) 7(E) 64-21-58. In Figure 18A, a plug lug weld indicating depth of fill is shown at number圖18A中，編號為顯示的是給出了填充深度的