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The tooth shape, fit and mark of clamping connection and pipe connection inch threads commonly used are introduced and their seal features.
介绍了常见的用于紧固联接英寸制螺纹和用于管道连接英寸制螺纹的牙形、配合和标识，以及管螺纹的密封特点。
When interference of tooth shape occurs, the coordinate value of drive engagement point would be rectified by the computer on line until the interference disappears.
在齿形干涉出现时，对主动件相应的啮合接触点坐标值由计算机自动进行增值修正计算，直到干涉消失。
The shape of the tooth is an involute helicoid.
形状的牙齿是一个渐开线。
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