mechanized production unit
mechanized production unit
机械化生产装置
以上为机器翻译结果，长、整句建议使用 人工翻译 。
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By trial of fully mechanized caving in relatively thinner thick coal seam in Y. J. L. coal Mine, the problems in mining are raised and the ways to increase its unit production are discussed.
通过对云驾岭矿较薄厚煤层综放的开采实践，提出了开采中存在的问题，并对如何提高综放工作面单产进行了探讨。
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