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单词 shortwall
释义

WordReference Random House Unabridged Dictionary of American English © 2024
short•wall  (shôrtwôl′),USA pronunciation adj. [Mining.]
  1. Miningpertaining to a means of extracting coal when the working face is about a third the length of the longwall system and mining is done by a continuous cutter rather than by longwall machinery.
  • short + wall 1910–15

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更新时间:2025/2/23 10:57:14