coal pillar at working face中文，coal pillar at working face的意思，coal pillar at working face翻译及用法

2026-06-20 20:48 浏览次数 22

coal pillar at working face

面内煤柱

coal pillar at working face 例句

英汉例句

  • The contradiction can be resolved by the establishment of coal pillar at working face and stage coal pillar.

    为了解决这一矛盾，可通过留设面内煤柱和区段间煤柱的方法给予解决。

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