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单词
abandoned workings
释义
abandoned workings
abandoned workings
[
ə′ban·dənd ′wər·kiŋz
]
(mining engineering)
Deserted excavations, either caved or sealed, in which further mining is not intended, and opening workings which are not ventilated and inspected regularly. Also known as abandoned mine.
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更新时间:2025/2/12 7:58:00