Design Method of Reamer to Machining Basic Hole of Gas-jar's Tapered Thread Hole
一种气瓶锥螺纹底孔铰刀的设计方法
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The design of tapered thread rod string used in screw pump and its application
螺杆泵锥螺纹抽油杆的设计与应用
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The formulation of the helix angle of the device with tapered thread is deduced.
推导了锥螺纹的螺旋升角计算公式。
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specifes basic thread form, taper, and tolerances of general purpose tapered pipe threads ( metal ).
规范通用锥管螺纹 ( 金属 ) 的基本螺纹形式, 锥度, 以及公差.
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