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勘探平洞
meaning in English
exploratory adit
Related Words
勘探隧
钻进勘探
饱和勘探
勘探工程
红外线勘探
勘探船队
基础勘探
勘探面积
勘探桩
勘探竖井
勘探模型
勘探目的层
勘探平巷
勘探平硐
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