operating life〔名词〕工作寿命详细»
operating life〔名词〕工作寿命,使用期详细»
operating life〔名词〕工作寿命详细»
operating life〔名词〕工作寿命,使用寿命,运行寿命详细»
operating life使用〔工作〕寿命详细»
使用寿命operational life span;work life;working life详细»
使用寿命operation life;service life详细»
使用寿命end point;endpoint;life duration;life time;working life详细»
使用寿命in service life;life length;working life详细»