caving coal face中文,caving coal face的意思,caving coal face翻译及用法

2026-05-05 20:09 浏览次数 25

caving coal face

放顶煤工作面

caving coal face 例句

英汉例句

  • Computer simulation research on working results of fully mechanized caving coal face

    综采放顶煤工作面生产效果计算机模拟研究

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