operating ratio
... 有效功;有效工作:effective work 有效工作系数;运行率:operating ratio 有效工作时间:operation/operational use time ...
[计] operation ratio
... operation processing 操作处理 operation ratio 运行率 operation record 操作记录 ...
Operating Rate
...less populated parts of the country many journeys take a day » 一天吃很多行程地区人口较少的国家 Operating Rate » 运行率 when carbon unites with oxygen » 当碳团结与氧 ..