当前位置:考试网  > 试卷库  > 技能鉴定  > 其他类  >  矿井中的“三专”“两闭锁”:
试题预览

矿井中的“三专”“两闭锁”:

查看答案
收藏
纠错
正确答案:

三专:专用开关、专用线路、专用变压器;两闭锁:风电闭锁、瓦斯电闭锁。

答案解析:

暂无解析

你可能感兴趣的试题

在工作地点,最多只许有三个氧气瓶:一个工作,两个备用。

中毒现场的急救方法有哪些?

站控室操作台上的 ESD按钮触发的是站三级ESD。

在停电的线路或同杆(塔)架设多回线路中的部分停电线路上的工作应填用(A)工作票。

什么是统计总体与总体单位?举例说明

热门试题 更多>
试题分类: 国家电网招聘考试
练习次数:0次
试题分类: 国家电网招聘考试
练习次数:0次
试题分类: 国家电网招聘考试
练习次数:1次
Passage1 Questions1to5arebasedonthefollowingpassage: DoyouwanttosaywhatyouthinkinalettertothePresidentoftheUnitedStates?You’llgetareplyfromhim—writteninink,nottyped—afteronlyafewdays. ThePresidentgetsabout4,000letterseveryweek.HeanswerseveryonewhowritestohimonspecialWhitesHousepaper.Buthedoesn’tneedalotoftimeforit.Infact,heonlygives20minutesaweektolookathispersonalcorrespondence.Hehasthemostmodernsecretaryintheworldtohelphim. It’scomputer,worth£800,000,whichhasitsownroomsonthefirstflooroftheWhiteHouse.IthasabankofelectronicpenswhichwritelikethePresidentwrites,inhisfavoritelightblueink.EachletterthePresidentreceivesgetsanumber,accordingtothetypeofansweritneeds.Thepensthenwritethecorrectreplyforit,accordingtothenumber.Eachlettertakeslessthanasecondtowrite.AWhiteHouseofficialsaid,“It’snotimportantthatletterscomefromacomputer.EachlettersayswhatthePresidentwantstosay.” 1.forareplyfromthePresident. A.YouhavetowaitalongtimeB.Youonlyhavetowaitseveraldays C.YouhavetowaitatleastonemonthD.Youonlyhavetowaitafewweeks 2.ThereplyfromthePresident. A.isalwaysprintedB.isalwaystyped C.isalwayswrittenininkD.isalwayswrittenbyhimself 3.Ittakesthecomputertowritetenletters. A.nomorethantensecondsB.alittlemorethantenseconds C.lessthantensecondsD.atleastonesecond 4.Thecomputercanbedescribedas. A.expensivebutefficientB.possessingabeautifulhandwriting C.heavyandinefficientD.thePresident’smostreliablesecretary 5.Itcanbeinferredfromthepassagethat. A.thePresidentneverreadsanyletterswrittentohimbyordinarypeople B.thePresidenthiresaveryefficientsecretarytodealwithhiscorrespondence C.thePresidentdoesnotreallycareaboutthelettershereceiveseveryweek D.thePresidentisassuredthatthecomputerexpresshisviewsintheletters
试题分类: 大学英语四级
练习次数:0次
试题分类: 社区工作人员
练习次数:0次
扫一扫,手机做题