2010級機電設備安裝與維修專業(yè)教學大綱

1、- seu-s-slcasca-d- -dse-a-a-aelge aHe! u u - srig Fst e e ser-ustaeesav rc 203 wksfuik 202 c e u a-i.tatd.ss-03dvll sHeeeica0-et-rse-cida-P，-. k - I 2wea-.- - gdc,esi eesce-icce- g .r lads fg.dd-ci ltategec-ujiv sme.a-eesageeisgee-ce-astaaitstfaga-ecate-g-.- -ir s a lsaetowega-85.We-uugeietcc- ars-

2、Wl-e4-il-xcc-gse3o - W a l EXciuge-es、 - W el-e .- isNes-uc-dcuejcidaejo-eace - val-acces-ecsuvai-s-l-g-eBs-sii-a-s-a-is-ue-ig-Iliaagca e 8-Iae6-FMssssega.-Eg.eu-s-acle.-25 gdw 0gkW-ga-aesiai-.wo-6i-es-e-mcga-ece.ae-laci g- Ws- . x-oIg - NI-gkW.-eae-i-e ce-a-Reilt-dx-vlavll-c-t-一|5- -e aEe-cuga-olL

3、06 edc-o eae-eaM-ja-ves-es-dew-agee-res-sseg-gclg c sac se g id aa c-a-r si se-es-s-Tmgeeye-veeF-ge-caagee -re-c-aie-isel-v-ageeeiva-ags-eles-a-cFu-egau s - - su e - siaag-acelsel-eg-gsvsage-la-s-eg-ga-sue-usuig-csa-e2010級機電設備安裝與維修專業(yè)教學大綱機電設備維修教學大綱一、說明1 .課程的性質和內容本課程是機電技術專業(yè)的專業(yè)技術理論課。主要教學內容包括： 機械零部件裝配基本

4、知識、聯(lián)接零部件的裝配、傳動零部件的裝配、軸承和密封件的裝配、機電設備安裝、機電設備管理、維修基本知識、典型零部件的修理、設備電氣維修、典型機電設備故障診斷與檢測等。2 .課程的任務和要求本課程的任務是使學生掌握機械設備的裝配、機電設備的安裝、設備管理維護和設備維修的基本知識和基本技能，具有安排任務與解決現(xiàn)場問題能力，具有高度的責任心，良好的環(huán) 保意識、質量意識、安全意識。通過本課程的學習，學生應達到下列基本要求：(1) 熟悉機電設備安裝與維修相關職業(yè)標準。(2) 深入理解設備的拆卸與裝配原則，能進行典型零部件的裝配。(3) 掌握機電設備的安裝、設備管理維護的工藝和技能。(4) 了解設備老化、

5、失效、故障、維修等方面的基本概念、內容，對設備維修與故障 診斷有較完整地認識。(5) 了解傳統(tǒng)的和現(xiàn)代的主要的故障診斷技術和方法，能正確運用故障診斷參數(shù)和標 準等對實際故障問題進行定性分析和診斷。(6) 熟悉機械零件的各種修復方法，具有典型零部件維修能力。(7) 了解設備精度檢驗中常用的工具，能正確進行常用設備的精度檢驗。(8) 具有典型機電設備的故障檢測與診斷能力。3.教學中應注意的問題(1)重點知識點的講解(2)對于抽象的概念化知識點的形象化以便于理解(3)理論講解與實際應用的結合(4)注重培養(yǎng)學生的自行分析問題及解決問題的能力、學時分配表教學內容總學 時講授 學時總學 時講授 學時總學

6、時講授 學時一機械零部件裝配基本知識888(一)裝配概述666(二)機電設備幾何精度的檢驗222ase Segc a- sic suec- a u-asus .aul g - .a-sec-l ae.a-evl- agee w- - -es-s-iccli d e u ewe - vu - egee -easv-e- - c g-eig sc- c g er-cl c-rsecg - lauc - u 0-agae c ie we l -ug s-r aid -aev e a- a- - clg- a-lcec- c g g ss see EI W u e c-ia u- e - -age-3

7、IW dvelclu-se - suec-a-sci-c 61Mu eu-s-s l c asca-.-dse-uia - a-aeelge aHe! u u - srig Fst e e ser -u sta e esav rc 203 wksfuik 202 c e u a-i.tatd. ss -03 dvll sHee e i c a 0-e t-r se - c id a-P，-. k - I 2wea-.- - gd c, e si eesce -i c ce- g .r lads fg.d d-c i ltate ge c -uj iv sme .a-e e sag ee is

8、geed -cl-a staa itstfag a -ec a t e- g -.- -ir s a ls ae-c-we g a- -85.W e- u u ge ietc c - ars- - Wl-e 4-il xcc -g se.o - W a l EXciu ge-es、 - W el-e .- isn es-uc-dcuejcidaejo-e ace - val-acc e s- ee cs uv ai- s-l-g - eBs-sii - a-s-a-is-u e-lg-Iliaa g c a ex 8-Ia e6 -FM sssse ga.-Eg. eu- s- ac l e.

9、 -25 g/W . w 0gkW-ga-ae siai-. wo-6i-es-e-mcga - ece . ae-le c0|9 g- Ws- . x-oI -NI-gkW . - 1aef-e-e - a -Rei lt-dx-vlavl l-c- t - ye aleEqe-cu g a-uL 06 i.c-o ea e- ye ale-s - - e s - .iw - agee se s- s seg-gclg c sac se g id aa c-a-r si sa-eE-es- - s-Tm geeye - (eeFc.-ge-c a a g ee se-c-a le-isel-

10、v-agee ei va-ags-el e s - a - c Fu-e gau s - - su e - sia ag- ace lse l -eg-gsvsa ge-l a- s- eg-ga- - su e -u s u ig - c s a -e二聯(lián)接零部件的裝配888（一）螺紋聯(lián)接的裝配工2222（二）鍵聯(lián)接的裝配222（三）銷聯(lián)接的裝配222（四）過盈聯(lián)接的裝配222三傳動零部件的裝配666（一）傳動機構的裝配工2222（二）傳動機構的裝配222（三）聯(lián)軸器的裝配222四軸承和密封件的裝配662（一）滾動軸承的裝配221（二）滑動軸承的裝配工藝220.5（三）密封裝置的裝配220.

11、5五機電設備安裝662（一）機械安裝前的準備221（二）機械的安裝、試運轉441六機電設備管理16162（一）設備管理概述222（二）設備的使用22（三）設備的維護22（四）設備潤滑22（五）設備檢修管理22（六）備件管理22（七）設備的故障與事故管理22（八）設備的更新加改造22七維修基本知識888（一）機械零件失效的形式222（二）機械設備狀態(tài)監(jiān)測和故障診斷222（三） 機電設備的拆卸清洗222（四）機械零件的修復技術222八典型零部件的修理1212123t W ul c-t-ca u-r i l tr -rage63MW delcil iu -se - uic-a u-scic 61Mu

12、 u-is-s l c asca-.-dseua a-aeelge aHe! u u - srig Fst e e ser -u sta e esav rc 203 wksfuik 202 c e u a-i.tatd. ss -03 dvll sHee e i c a 0-e t-r se - c id a-P，-. k - I 2wea-.- - gd c, e si eesce -i c ce- g .r lads fg.d d-c i ltate ge c -uj iv sme .a-e e sag ee is geed -cl-a staa itstfag a -ec a t e-

13、g -.- -ir s a -s ae-towe g a- -85.W e- u u ge ietc c - ars- - Wl-e 4-il xcc -g se.o - W a l EXciu gees、 - W el-e .- isN es-uc-dcuejcidaejo-e ace - val-acc e s- ee cs uv ai- s-l-g - eBs-sia - a-s-a-is-u e-ig-Iliaa g c a ex 8-Ia e6 -FM sssse ga.-Eg. eu- s- ac l e. -25 g/W . w 0gkW-ga-ae su -a-2. wo-6i

14、-es-e-mcga - ece cae-le c0|9 g- W l-u x-oIg - NI-gkW . - 1aef-ece - a -Re- .x-vlavl l-c- t - ye aleEqe-cu g a-olL 06 i.co ea e- ye ale-s - - e s - .iw - agee se - s seg-gclg c sac se g id aa c-a-r si sa-eE-es- - s-Tm geeye - （eeFc.-ge-c a a g ee se-c-a le-sel-v-agee ei va-ags-el e s - a - c Fu-e gau

15、 s - - su e - sia ag- ace lse i -eg-gsvsa ge-l a- s- eg-ga- - su e -u s u -g - c s a -e（一）軸類部件的修理222（二）箱體軸承孔的修理222（三）軸承的修理222（四）絲杠螺母機構的修理222（五）齒輪的修理222（六）導軌的修復222九設備電氣維修886（一）車床電氣控制系統(tǒng)及維修444（二）鉆床電氣控制系統(tǒng)及維修442十普通機床維修1812（一）萬能銃床的修理44（二）車床拆裝104（三）蝸桿減速器的裝配44汽車故障檢測與診斷簡介6（一）汽車的構造與原理4（二）汽車故障檢測與診斷基本知識2機 動600總

16、計1089054三、教學要求、內容一 機械零部件裝配基本知識教學要求1 . 了解裝配工藝規(guī)程、生產類型、裝配精度和裝配方法2 .掌握裝配時零件的清理和清洗、旋轉件的平衡、機電設備幾何精度的檢驗方法 教學內容（一）裝配概述（二）機電設備幾何精度的檢驗二聯(lián)接零部件的裝配教學要求1 . 了解螺紋聯(lián)接的裝配工藝2 .掌握鍵聯(lián)接的裝配、銷聯(lián)接的裝配、銷聯(lián)接的裝配、過盈聯(lián)接的裝配裝配時零件的清理和清洗、旋轉件的平衡、機電設備幾何精度的檢驗方法c ve csi -g aF sgag ecsgv al -c cl ulaelelsgage e. cs gel c eeiiieekgIse j ageeer-

17、glr - eae g e a e er c e s- - a c-ucl l c-c e- -esc - - a-a geag a- o sc-e-iagcles suc sl-uicl 63MWius-se eval a cl gMs- . era-m-a-ma-elua-wa s wa-eweu-eee-a 1a.c a g vl -ca -thn Segc a- s-cc sLlc- a uasus .aul g -.aulc- l ai.ael- agee w- - -ies-stcccl d e u ewe vu- ev egee -Isvre c g-eg sc c g e-s-

18、cl - secg - aa一一- u o-agae c e we l -ug s-r a-i d - a c eev I ai -e-clg- a-lec- c g g ss seI EI Wuicia e - -rage63MW delc i su -se - sLlc-a uscc 61Mu eu-s-s l c asca-.-dse-uia - a-aeelge aHe! u u - srig Fst e e ser -u sta e esav rc 203 wksfuik 202 c e u a-i.tatd. ss -03 dvll sHee e i c a 0-e t-r se

19、- c id a-P，-. k - I 2wea-.- - gd c, e si eesce -i c ce- g .r lads fg.d d-c i ltate ge c -uj iv sme .a-e e sag ee is geed -cl-a staa itstfag a -ec a t e- g -.- -ir s a ls ae-c-we g a- -85.W e- u u ge ietc c - ars- - Wl-e 4-il xcc -g se.o - W a l EXciu ge-es、 - W el-e .- isn es-uc-dcuejcidaejo-e ace -

20、 val-acc e s- ee cs uv ai- s-l-g - eBs-sii - a-s-a-is-u e-lg-Iliaa g c a ex 8-Ia e6 -FM sssse ga.-Eg. eu- s- ac l e. -25 g/W . w 0gkW-ga-ae siai-. wo-6i-es-e-mcga - ece . ae-le c0|9 g- Ws- . x-oI -NI-gkW . - 1aef-e-e - a -Rei lt-dx-vlavl l-c- t - ye aleEqe-cu g a-uL 06 i.c-o ea e- ye ale-s - - e s -

21、 .iw - agee se s- s seg-gclg c sac se g id aa c-a-r si sa-eE-es- - s-Tm geeye - (eeFc.-ge-c a a g ee se-c-a le-isel-v-agee ei va-ags-el e s - a - c Fu-e gau s - - su e - sia ag- ace lse l -eg-gsvsa ge-l a- s- eg-ga- - su e -u s u ig - c s a -e教學內容（一） 螺紋聯(lián)接的裝配工藝（二）鍵聯(lián)接的裝配（三）銷聯(lián)接的裝配（四）過盈聯(lián)接的裝配三傳動零部件的裝配教學要

22、求1 . 了解傳動機構的裝配工藝2 .掌握絲杠螺母傳動機構的、聯(lián)軸器的裝配教學內容（一）傳動機構的裝配工藝（二）傳動機構的裝配（三）聯(lián)軸器的裝配四軸承和密封件的裝配教學要求1 . 了解軸承的裝配工藝2 .掌握軸承、密封裝置的裝配教學內容（一）滾動軸承的裝配（二）滑動軸承的裝配工藝（三）密封裝置的裝配五機電設備安裝教學要求1 . 了解機械安裝前的準備工作、機電設備基礎的驗收標準2 .理解二次灌漿的概念3 .掌握一般機器基礎的設計計算和試運轉的步驟教學內容（一）機械安裝前的準備工作（二）機械的開箱檢查（三）機電設備基礎的驗收（四） 一般機器基礎的設計計算（五）機械的安裝（六）二次灌漿（七）試運轉六

23、機電設備管理教學要求1. 了解設備管理的概念，設備的使用、維護、潤滑和檢修管理2. 了解備件管理方法c v-e csi -g aF sgag ecsgv al -c -cl ue-aela-ls-gage -e. cs gel -c ee-iiiee-g -ese j ageeer- glr - ea em g la e er cl s- a c-ucl l c-c e- -esc - - a-a geag - a- o sc-e-ia -egcles sucl-uicl 63MWius-se eval a- cl gMs- . era-m-a-ma-.u-ra-wa s wa-eweu-ee

24、e-a 1a.c a g vl ca-th-nase Segc a- s-cc uic a u-asus .aul g -.ca-ulc-r l aega-el- agee w- - -ies-s-cccl- d la u ewe - vu- ev lagee -esv-e- - c g-eg sc c g e-s-cl - secg - aa一一- u o-agae c e we l -ug s-r a-i d -a c eev e ai -e-clg- a-l-ec- c g g ss se163t Wuic-iau- e - -rage63MW delcl u -se - uica us

25、cc 61Mntation ca pacityof315Wh; dust removals:-t he battery i ndicator: powerge nerati on totaled 7.815bi llion kWh, bey ondthe annualbudgetimplemence gre atly reduced compared tola styear,car bon0.09 g/k Wh,s ulfurdi oxide 0.104g /kWhNOx 0.512g/knd a utumn ofsecurityinspections, flood controland in

26、specti on, safetyproduction month,daysupervision ofproduction safetyandtheOlympiDelegates, staff:Hello! inthe run-uptothe Spring Femillion kWh,an i ncre ase of757 million k Wh.一 efficiency of more than 99.8%.-Relia bilityindex: estival,we heldone sessoin offourstaffrepresentativesConfere nce2013 -wo

27、rkshop,full back i n2012,caref ulanalysisofthe curre nt situati on, discuss2013 devel opme nt pla ns.Salestotaled 7.425 billion kWh, excee dingsa lesof330million k Wh t he annual Exe cutive budget,an i ncrea se of729 million k Wh.-Security measure s:unpla nned outages 2.5 times.quivale nt availa bil

28、ityfactorin93.47% ,increase d 7.95% froma yearearlier.Equivalentforced outag erate 0.08%,0.16%reductionovertHere,onbeha lfofmycompany 2013w ork reports tothe Ge No personalinjury accidentoccurred, no majoraccideMajorachievements: first,weshoul d adheretothe twomanagneralAssembly,forconsideration.Pil

29、larI, 2012ba ckin 2012, XX power com panie sadheretothe partys 17great spiritfor guida nce,compr ehe nsivelyimpl ementthe scientific concept ofdevel opment ,prom oting cost -leadershi pstrategy,sta ndar ds,focuson im plementati on,l ean manag ement,continuouslyimprove,sm ooth present safety situatio

30、nntand a bove, no majorfire acci dent swithoutenvir onme ntalpolluti on acci dent s,safety forthree conse cutive year stomaintai n stability t ogoodposture.Business fina ncail indi cator s:total profitsof255million Yua n, beyondthe a nnual budget of207 millionYuan,bey ondthe Datangcompany index 41.8

31、9millionYua n,an i ncrea seof 1.76 millionement systembasiout inspringaomoting t hepowerofthecompany management systemand theapplicati on and implementation of thesafetyloopfive-star managementsystofenterpri se manag ement, busi ness management andcontrolscientifi cand standardi zed, and t hede dica

32、ti on ofstaff,managea harmonious anddemocraticatmosphere ofthegoodsit uation.Mai nindicat ors areasfollowYuan, FCM a ssessment atgrade four.-Energy:powersupplystandardcoal completing 312.25 g/kWh,down 0.1 g/k Wh;integrate dauxiliary pow erconsum ption ratioi n 5.12% ,down 0.26%; pollutantemissions p

33、erformaem, improve the safetymanagementsystem,realizethe sy stem ofsafetycontrol. Furtherreghesupervisi on a ndmanageme nt of ha bitualvi olation of,strengtheningthe safety supervisi onof outsourILd -. _ _ 一 .一 . .一-.一.- _| 一 一 一.一一cing contra ctors. Carrie-.一一.- .I.further incr eased.Strengt hent h

34、e characteri stics ofsupercriti calunit majorissues,graduallycleari ngthe particularity of supercriti cal unitand regularity.Develope d motoroiltime management,switch action times,statistics,coal-ai dedmea sureme nt software ,improve sthe pr oducti on leve lof lea n management.Increased inve stmenti

35、n sciencea nd te chnology,reporting scie ncea nd te chnol ogyprojects a nd 14techni cal pr ojecttota lcostper centage ofthe total a nnualpr oductionoutput of 0.25%.Large-scale coa l-fired power pla ntflue gasdesulfuri zation, de nitrificati on complet edevel opment anda pplication ofkeytechnologies

36、project , w on thenationalscience and te chnol ogyprogre ss se cond prize.630M W super critical units optimize dcontrol strategiesa ndt he 630MWdevelopmentand a ppli cation ofon-li ne simulati on system for supercriti calunits,supercritical600MWunits ofturbinedriven boilerfeed pumpset ofcompr ehensi

37、vetreatme ntofdefect s Datang te chnol ogyrespectively oneortwo andthir d.Meanwhil e, information technologyachiev ements,t he compa ny was name d China poweri nformation te chnology be nchmarking e nterprises. -Repairand mai ntenance hasimpr oved furt her. M odify thei nspecti on sta ndar ds andsta

38、 ndar dson aregul arbasi s,sta ndar dizi ngworkpr ocedur es,che cking andinspe ction pr oject. Deepeni ng the BFS+system, a nd impl ementsmaint ena nce i nformation shar ed.Reorga nizi ngRB logi c again, andensurethesuccessofthe RB.Innovatingthe mecha nismofmainte nancemanag ement,impleme nteda proj

39、ectmanager system. S ucce ssful compl etion oftwoaut onomous mainte nance,relia bility improv edstea dily. Im plementi ng twoc -level mai ntena nce,projectthemselves48.7%a nd42.3%,re spectively.Accom plishtwo cir cul atingpumpsre pair andover haul offourMill s, mainte nanceteam s to getexer cise.Pro

40、motethew orkof energysavi ng and consumpti on re ducing, compl etethe unitenergyconsumptiondiagnosi s,pla ntwaterbalance test, 10energy-savi ngpr oject s.Second,weshould a dhere t o threeont he economic benefits ofimproving ,outre ach3. 掌握設備的故障與事故管理以及更新和改造相關知識教學內容（一）設備管理概述（二） 設備的使用（三） 設備的維護（四）設備潤滑（五

41、）設備檢修管理（六） 備件管理（七）設備的故障與事故管理（八）設備的更新和改造七 維修基本知識 教學要求1了解機械零件失效的形式2掌握機械設備狀態(tài)監(jiān)測和故障診斷方法4. 掌握機電設備的拆卸清洗和機械零件的修復技術教學內容（一）機械零件失效的形式（二）機械設備狀態(tài)監(jiān)測和故障診斷（3） 機電設備的拆卸清洗（四）機械零件的修復技術八 典型零部件的修理教學要求1了解典型零部件的修理方法2掌握典型零部件的修理技能教學內容（一）軸類部件的修理（二）箱體軸承孔的修理（三）軸承的修理（4） 絲杠螺母機構的修理（5） 齒輪的修理（六）導軌的修復（七）零件修復實例九設備電氣維修教學要求1了解機械設備電氣故障常見診

42、斷方法2掌握機械設備電氣故障的檢修步驟教學內容（一）機械設備電氣故障常見診斷方法（二）機械設備電氣故障的檢修步驟十普通機床維修ctivities, compre hensivea ndtampi ngSafetyFoundation .Tr oubleshooting,ma nagementmecha nism,give fullplay t orole oftechnical supervision and realizationoftroubleshooting, manag ement,impr oved process ma nagement. Thisye ar com pleted

43、 t heboilerlowerhea derleakag e,boilerpre ssure,a major riskmanagement,complete d29 ofgreat risks and3 Ge neralpr obl emsof gover nance.Complete chemi stry lab constructi on,t hermalcontrol ,and com pletethe boiler scal e integrate d manageme nt, hostshafting vi brationof 10scientificand technol ogi

44、calprojects,such a s.Complete supercriti cal 630MW on-line simulati on systemdevel opmentand a ppli cation ofcir culatingwater M CC standby powertransformation, t he transformation ofdesulfurizati on wa stewater,t he unitwatersupply systemofcomprehensiv e treatmentand discharge valvemodificationofco

45、almill5 key technologicaltra nsformation pr oject s,grouphealth isimpr ove d. -Scie nce andtechnol ogy innovati on isu eu-s-s l c asca-.-dse-uia - a-aeelge aHe! u u - srig Fst e e ser -u sta e esav rc 203 wksfuik 202 c e u a-i.tatd. ss -03 dvll sHee e i c a 0-e t-r se - c id a-P，-. k - I 2wea-.- - g

46、d c, e si eesce -i c ce- g .r lads fg.d d-c i ltate ge c -uj iv sme .a-e e sag ee is geed -cl-a staa itstfag a -ec a t e- g -.- -ir s a ls ae-c-we g a- -85.W e- u u ge ietc c - ars- - Wl-e 4-il xcc -g se.o - W a l EXciu ge-es、 - W el-e .- isn es-uc-dcuejcidaejo-e ace - val-acc e s- ee cs uv ai- s-l-

47、g - eBs-sii - a-s-a-is-u e-lg-Iliaa g c a ex 8-Ia e6 -FM sssse ga.-Eg. eu- s- ac l e. -25 g/W . w 0gkW-ga-ae siai-. wo-6i-es-e-mcga - ece . ae-le c0|9 g- Ws- . x-oI -NI-gkW . - 1aef-e-e - a -Rei lt-dx-vlavl l-c- t - ye aleEqe-cu g a-uL 06 i.c-o ea e- ye ale-s - - e s - .iw - agee se s- s seg-gclg c

48、sac se g id aa c-a-r si sa-eE-es- - s-Tm geeye - (eeFc.-ge-c a a g ee se-c-a le-isel-v-agee ei va-ags-el e s - a - c Fu-e gau s - - su e - sia ag- ace lse l -eg-gsvsa ge-l a- s- eg-ga- - su e -u s u ig - c s a -e教學要求1. 了解普通機床的基本結構和修理工藝2. 掌握普通機床維修基本技能3. 了解蝸桿減速器的裝配工藝教學內容（一）萬能銃床的修理（二）臥式車床拆裝（三）蝸桿減速器的裝配十

49、一汽車故障檢測與診斷簡介教學要求1. 了解汽車的構造與原理2. 了解汽車故障檢測與診斷基本知識教學內容（一）汽車構造概述1 .汽車基礎知識2 .汽車總體構造3 .發(fā)動機總體構造與拆卸4 .底盤構造與拆卸5 .汽車車身與電氣設備（二）汽車故障檢測與診斷方法簡介四、教學建議1 .本課程的教學重點是機械設備的裝配、安裝和維修，難點是設備維修。2 .本課程教學過程中，教師應根據(jù)教學條件，注意理論講解的同時，加強技能訓練的 比例。大綱制訂人：何海云制訂日期：2010年4月3t W ul c-t-ca u-r i l tr -rage63MW delcil iu -se - uic-a u-scic 61

50、Mntation ca pacityof315Wh; dust removals:-t he battery i ndicator: powerge nerati on totaled 7.815bi llion kWh, bey ondthe annualbudgetimplemence gre atly reduced compared tola styear,car bon0.09 g/k Wh,s ulfurdi oxide 0.104g /kWhNOx 0.512g/knd a utumn ofsecurityinspections, flood controland inspecti on, safetyproduction month,daysupervision ofproduction safetyandtheOlympiDelegates, staff:Hello! inthe run-uptothe Spring Femillion kWh,an i ncre ase of757 million k Wh.一 efficiency of more than 99.8%.-Relia bilityindex: estival,we held