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单词 coal level
释义

Definition of coal level in English:

coal level

noun
  • (Originally Scottish) a horizontal passage or gallery in a coal mine; (Welsh English) a coal mine.

Origin

Mid 18th century.

Definition of coal level in US English:

coal level

noun
  • (Originally Scottish) a horizontal passage or gallery in a coal mine; (Welsh English) a coal mine.

Origin

Mid 18th century.

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更新时间:2025/1/31 6:11:43