... two-groove belt pulley 双槽皮带轮 two-groove drill 双槽钻 two-gun oscilloscope 双枪示波器 ...
基于8个网页-相关网页
four groove drill 十字形钎子 ; 十字钻头
HSS ground groove drill 高速钢槽钻
H ground groove drill 高速钢槽钻
four-groove drill 四槽扩孔钻
HSS S ground groove drill 高速钢槽钻
drill collar groove 钻铤应力减轻槽
Here's a good drill to groove the push-back move.
以下的练习可以有助于习惯向后推的运动。
Integral spiral heavy weight drill pipe is to extend the central upset of heavy weight drill pipe and to cut spiral groove on heavy weight drill pipe.
整体螺旋加重钻杆是在整体加重钻杆的中间加厚部位延长并铣削螺旋槽。
After processing LET thread, stress groove and double shoulder connection for the NC35 thread of Drill Collar in 43/4 inch, torsion tests were done.
4英寸）钻铤NC35螺纹加工LE螺纹、应力槽、双台肩后进行了实物抗扭性能试验，证实双台肩钻铤具有很好的抗扭性能。
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