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dewatering excavation
释义
dewatering excavation
Encyclopedia
理学
矿床疏干防治水工作
释
dewatering excavation
疏水工程
对矿床充水水源进行的疏干或降压等确保安全采矿的工程措施。是一种矿床疏干防治水工作方法。
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Querétano,Estado de
Querétaro
Que Sao Bian: Records of Laws and Anecdotes of Song Dynasty
Queshan Xian
Que Shi
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Questacon: The National Science and Technology Centre
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question and answer for unstructured text
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