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。
Machine barrels are precisely processed at the Five-ax Machining Center with high accuracy and locations of inner bore and pinhole are nicety.
机筒在五轴加工中心上精密加工，内孔和销孔定位准确，精密度高。
The machining way of the series of supporting hole is to bore hole by coordinate.
支承孔系的加工采用的是坐标法镗孔。
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