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full casing drill rig
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full casing drill rig
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工学
潜水式成孔机
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full casing drill rig
全套管钻孔机
能抱紧下端装有切削刀齿的套管、边回转边将其压入或拔出地下进行钻孔灌注桩作业的成孔机械。又称贝诺特钻孔机。
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