单词	初始信号单元
释义	初始信号单元initial signal unit
随便看	operating time log，otl operating time of circuit breaker operating time ratio operating train s operating trouble operating unit of nuclear power plant operating value operating valve operating variable operating virus operating voltage operating voltage in a system operating voltage indicator operating voltage-- working voltage operating voltage; working voltage operating weight operating winding operating window operating ystem operation operation acknowledge operation acknowledge--opack operation acknowledge，opack operation address instruction operation address register