duration of runs〔名词〕运转持续时间详细»
duration of runs〔名词〕运转时间详细»
duration of runs运行持续时间详细»
运转时间operating time;running period详细»
运转时间running period;running time详细»
运转时间duration of runs;run on time;running period;running time;time of operation;time of run详细»
运转时间machine time;running time;time of operation详细»