pillar of coal

 
  • 煤柱

pillar of coal的用法和樣例:

例句

  1. The coal pillar has mode-soft behaviour, so it is possible to estimate the destabilization.
    煤柱失穩還具有模態(tài)軟化特性,可以對失穩的可能性進(jìn)行佑計。
  2. Medium and small coal mines in north of Shaanxi Province generally adopt longwall remaining coal pillars support mining.
    摘要長(cháng)壁留煤柱支撐法開(kāi)采是陜北中小煤礦普遍采用的一種采煤方法。

pillar of coal的相關(guān)資料:

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