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filled stope短语解释_filled stope词组用法_filled stope短语词组_贰靶汉英词典
贰靶汉英词典

filled stope

F 开头单词

短语词组

    短语

  • filled stull stope 横撑支柱充填采矿法
  • filled d stope 充填回采工祖
  • filled stope method 充填采矿法
    • 返回 filled stope