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coal mining短语解释_coal mining词组用法_coal mining短语词组_甲百汇小鸡词典
甲百汇小鸡词典

coal mining

C 开头单词

短语词组

    短语

  • coal -mining methods 采煤方法
  • coal surface mining 露天采煤
  • single coal seam mining 单一煤层开采
  • coal resources mining 煤炭资源开采
  • coal pillar mining 带煤柱开采
  • coal mine mining 矿井开采
  • coal caving mining 煤采煤;放顶煤开采;放顶煤
  • opencast coal -mining 露天采煤
    • 返回 coal mining