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left-hand screw drill pipe

left-hand screw drill pipe


  • 翻译:左螺旋钻杆

同义词

1)left-hand screw drill pipe,左螺旋钻杆2)left-handed screw bar,左旋螺杆3)left-hand tool joint thread,左旋钻杆接头螺纹4)screw drilling rod,螺旋钻杆5)left-hand drill pipe,左螺纹钻杆6)left spiral bolt,左螺旋锚杆

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