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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。
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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。
youdao
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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。
youdao