in service〔形容词〕被雇用,在使用中,作佣人详细»
in service〔名词〕在使用中详细»
in service【消】①执勤(消防)队 ②在灭火战斗中的消防队详细»
在使用中be in service;be in use;is in service详细»
在使用中am in service;are in service;is in service;was in service;were in service详细»
在使用中am in service;are in service;was in service;were in service详细»