The tool design,working methods and process fundamentals of the trepanning processing were introduced.It proved that trepanning processing is a more cost-effective and accurate method.
从
刀
计、加
法以及艺基本要求几个面说明,是一种更经济、有效并且精确深加法。
机；用环锯行手术The tool design,working methods and process fundamentals of the trepanning processing were introduced.It proved that trepanning processing is a more cost-effective and accurate method.
从刀计、加法以及艺基本要求几个面说明,是一种更经济、有效并且精确深加法。
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