mining under pillar

 
  • 煤柱下開(kāi)采

mining under pillar的用法和樣例:

例句

  1. According to the creep mechanics test parameters, we have constructed a nonlinear creep formula, which provides a theory basis for roadway support in coal mining under the sea.
    根據含油泥巖蠕變力學(xué)參數,推導出橫向各向異性非線(xiàn)性蠕變方程,為海下開(kāi)采條件下的巷道支護提供了理論依據。

mining under pillar的相關(guān)資料:

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