time element relay

海洋航海及海运英语翻译词汇_航海英语... ... time duration 持续时间 time element relay 延时继电器 time element 限时元件 ...

直角三角形_馆档网 ... "时间效应"," time effect" "时素继动器"," time element relay" "时间因数"," time factor" ...

http://www.ptsgi.co... ... "时素继电器"," Relay,time element" "时素继电器"," Time element relay" "时间研究"," Time study" ...