At a quarry in Lime City, Ohio, drivers for Tri County Block & Brick ask loader operators to add a little more rock - and then a little more. Until recently, it was anybody's guess if the vehicle was at capacity until it reached an inground scale.
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机译:在俄亥俄州石灰市的一个采石场,Tri County Block&Brick的司机要求装载机操作员增加一些岩石,然后再增加一些。直到最近,还没有人猜测这辆车在达到地下规模之前是否满负荷运转。
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