normal thread angle
垂直螺纹齿形角
thread relief angle.
螺纹牙后角
Roll Device With Adjustable Rising Angle and Diameter of the Thread
螺纹直径和升角可调的轧辊装置
Measuring System for Flank Angle and Standoff of Petroleum Thread Gauge
石油螺纹量规牙侧角和紧密距测量系统的研制
Effect of the Front Angle of Thread Turning Tool on the Thread Form Angle
螺纹车刀前角对牙型角的影响
The formulation of the helix angle of the device with tapered thread is deduced.
推导了锥螺纹得螺旋升角计算公式。
Influences of Errors in Flank Angle on General Screw Thread Coupling Interchangeability
普通螺纹牙侧角误差对螺纹结合互换性的影响
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