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所需机械设备有螺旋钻孔机、钻扩机或潜水钻孔机。
The machine equipments needed has spiral drill press and drill to expand machine or diving drill press.
youdao
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所需机械设备有螺旋钻孔机、钻扩机或潜水钻孔机。
The machine equipments needed has spiral drill press and drill to expand machine or diving drill press.
youdao