mechanically-clamped plate drill的意思|示意
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机夹板钻
mechanically-clamped plate drill的网络常见释义
机夹板钻 mechanically set packer 机械坐封封隔器 mechanically-clamped plate drill 机夹板钻 mechanically-clamped turning tool for external threading 机夹外螺纹车刀 ..