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钻孔和勘探开挖
meaning in English
boreholes and exploratory excavation
Related Words
开挖边线及高程
钻孔刀
钻孔配件
钻孔钻头
热力钻孔
排水钻孔
钻孔定心
钻孔取样
钻孔壁
构造钻孔
钻孔和攻丝两用机床
钻孔和铰孔
钻孔划线
钻孔环状布置
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