With the optimized design, the short-wall top-coal caving face of the mines in Xinjiang Mining Group Co. , Ltd. , increase more or gain good profits.
经过优化的三机配套方案后，新矿集团的各生产矿井的短壁综放工作面均实现了高产，取得了较好的经济效益。
With the optimized design, the short-wall top-coal caving face of the mines in Xinjiang Mining Group Co. , Ltd. , increase more or gain good profits.
经过优化的三机配套方案后，新矿集团的各生产矿井的短壁综放工作面均实现了高产，取得了较好的经济效益。
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