stand-by set

航海及海运专业词汇英语翻译(S) ... stand-by sequence control 备车顺序控制 stand-by set 备用机组 stand-by station 待机位置 ...

直角三角形_馆档网 ... "备用发电机"," stand-by power station" "候用机组"," stand-by set" "备用机组"," stand-by unit" ...