The current ratio in machinery production industry is much higher than that in service industry.
机器生产行业的流动比率要远高于服务行业的流动比率。
It has been shortening the service life of mines because of their low recovery ratio.
乡镇煤矿资源回收率低，严重缩短了矿井的服务年限。
It has been shortening the service life of mines because of their low recovery ratio.
乡镇煤矿资源回收率低，严重缩短了矿井的服务年限。
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