rotary bit


  • 翻译:旋转式钻头

同义词

1)rotary bit,旋转式钻头2)rotary drill,旋转式钻头<能>3)rotary core bit,旋转式取心钻头4)Rotary bit,旋转钻头5)rotary bit,旋转钻井用钻头6)Rotary drilling,旋转式钻孔

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