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
刀具的设计、
法以及艺的基本要求几个面说明,
一种更经济、有效并且精确的深法。
]
,打眼,穿(试验)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.
从刀具的设计、法以及艺的基本要求几个面说明,一种更经济、有效并且精确的深法。
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