用“relays”造句大全，relays造句
Electrotechnicalterminology--ElectricalrelaysThreerelays:FanOperation,Alarm,Skip.Semiconductorswitchesactuatereedrelaysforsignalcircuitsorpowerrelaysforotherfunctions.Rescuersworkedinrelaystosavethetr...
用“in relays”造句大全，in relays造句
groupsofmenworkinginrelaysHisquestionersworkedonhiminrelays.Rescuersworkedinrelaystosavethetrappedminers.Runninginrelaystotirepreyorwaitinginambushwhileotherschasepreytowardit....