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单词 shortwall
释义 shortwall
 /shawrt"wawl'/, adj. Mining.
 pertaining 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.
 [1910-15; SHORT + WALL]
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更新时间:2024/12/23 22:04:15