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coal bed短语解释_coal bed词组用法_coal bed短语词组_淳朴汉英词典
淳朴汉英词典

coal bed

C 开头单词

短语词组

    短語

  • coal -bed structure 煤層結搆
  • a coal -bed 煤牀
  • coal methane bed well 煤層氣井
  • coal reserve bed 煤儲層
  • B4 coal -bed B4煤層
    • 返回 coal bed