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单词
shortwall
释义
WordReference Random House Unabridged Dictionary of American English © 2024
short•wall
(shôrt
′
wôl′),
USA pronunciation
adj.
[
Mining.
]
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.
short
+
wall
1910–15
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更新时间:2025/12/22 9:19:19