当前位置:考试网  > 试卷库  > 技能鉴定  > 其他类  > 石油石化职业技能鉴定  > 变电站值班员  > 当全所停电时,应先拉开()开关,后拉开各出线开关,送电时相反。
试题预览

当全所停电时,应先拉开()开关,后拉开各出线开关,送电时相反。

查看答案
收藏
纠错
正确答案:

电容器

答案解析:

暂无解析

你可能感兴趣的试题

关于数据报交换方式的描述中,正确的是()

排列图(帕累托图)可以用来进行质量控制是因为()。

以下关于软件测试的描述,()是正确的。

以下关于关键路径法的叙述,()是不正确的。

以下有关信息安全管理员职责的叙述,不正确的是()

热门试题 更多>
试题分类: 精神障碍护理学
练习次数:8次
Withouttransportation,therecouldbenotrade.Withouttrade,therecouldbenotownsandcities.Townsandcities aretraditionallythe___16___ofcivilization.Therefore,transportationhelpsmakecivilization___17___. Throughoutmostoftheprehistoricperiod,peoplelivedbyhunting,fishing,and___18___wildplants.They hadnobeastsofburden,wheeledvehicles,orroads.Peopletraveled___19___andcarriedtheirinfantsand belongingsstrappedtotheirbacksorheads.Loadstooheavyforonepersontocarrywerestrappedtoapoleandcarriedbytwopeople. ___20___,peoplelearnedthattheycoulddragloadsalongthegroundonsledges.Duringlateprehistoric times,peoplebegantobuildsledgeswithrunners. Whenpeopledevelopedagricultureandbegantoestablish___21___settlements,tradebetweensettlements startedtodevelop,whichcreatedaneedforbetter___22___oftransportation.Thedonkeyandtheox,whichhad beentamedforfoodproductsandfarmwork,helped___23___thisneed.Theuseofdonkeysandoxenasbeastsof burdenenabledpeopleto___24___heavierloadsthantheycouldbefore. Peoplealsobegantodevelopwatertransportationduringprehistorictimes.Theybuiltraftsofsuch__25____aslogs orreeds.Later,peoplelearned___26___tomakedugoutsandcanoes.Peoplepaddledtheseearlycraftwiththeirhands orpropelledthemwithpaddlesor__27____. Thewheelwasinventedabout3500B.C.andsailboatabout3200B.C.Wheeledvehiclesandsailingvessels___28___transportation.Butthespeedoftransportationimprovedonly___29___overthecenturies.Inventorsproducedthefirstengine-___30___vehiclesduringthelate1700’sandtheearly1800’s.This developmentmarkedthebeginningofarevolutionintransportationthathascontinuedtothepresent. 16.A.highlightsB.pinpointsC.headquartersD.centers 17.A.possibleB.acceptableC.practicalD.typical 18.A.growingB.gatheringC.wateringD.moving 19.A.inturnB.ateaseC.onfootD.forfun 20.A.AllthewhileB.ForawhileC.IntimeD.Ontime 21.A.temporaryB.permanentC.regularD.steady 22A.knowledgeB.judgmentC.standardsD.means 23.A.recognizeB.developC.meetD.reduce 24.A.bearB.moveC.shareD.lift 25.A.materialsB.stylesC.itemsD.types 26.A.whereB.whenC.howD.as 27.A.polesB.sailsC.currentsD.winds 28.A.demonstratedB.revolutionizedC.witnessedD.initiated 29.A.considerablyB.continuouslyC.swiftlyD.slightly 30.A.poweredB.controlledC.orientedD.related
试题分类: 综合英语(二)
练习次数:0次
试题分类: 护理伦理学
练习次数:0次
试题分类: 妇产科护理学(一)
练习次数:3次
试题分类: 现代英语语法
练习次数:0次
试题分类: 内科护理学(二)
练习次数:0次
试题分类: 急救护理学
练习次数:0次
试题分类: 内科护理学(二)
练习次数:1次
扫一扫,手机做题