Machining the spark plug hole and counter bore at a compound Angle.
加工火花塞孔与反孔的复合角度。
Using once counter bore grinding technology can overcome these weakness, and its accuracy is able to achieve technical request of finished product and satisfy productive needs.
一次锁口磨削工艺过程能够克服上述缺点，而且它在各项精度方面都能达到成品零件的技术要求，满足生产需要。
Using once counter bore grinding technology can overcome these weakness, and its accuracy is able to achieve technical request of finished product and satisfy productive needs.
一次锁口磨削工艺过程能够克服上述缺点，而且它在各项精度方面都能达到成品零件的技术要求，满足生产需要。
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