With the high-precision grinding between the shaft helical gear, reversing pass without gaps. tapping ensure accuracy.
同向周之间采用高精度磨削斜齿轮，正反转传递无间隙，保证攻牙精度。
With the high-precision grinding between the shaft helical gear, reversing pass without gaps. tapping ensure accuracy.
同向周之间采用高精度磨削斜齿轮，正反转传递无间隙，保证攻牙精度。
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