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Terms for subject Technology containing back hole | all forms | in specified order only
EnglishChinese
back hole顶眼
back hole顶板炮眼
back hole倒眼 (爆破用一种炮眼)
back hole峒顶爆孔
back holes后爆炮眼组
distance in back of hole孔后距
hole back钻孔底
hole back钻眼底

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