stage room mining method

  • 阶段矿房法

stage room mining method的用法和样例:

例句

  1. The large-diameter deep-hole mining by sublevel room work method has its bright future for application.
    大直径深孔阶段矿房法是一种很有发展前途的采矿法。

stage room mining method的相关资料:

临近单词

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