There are lots of advantages by cold extrusion for straight knurl nut in a single process.
直纹滚花螺
采用冷挤压
形新工艺 ,效显
。
There are lots of advantages by cold extrusion for straight knurl nut in a single process.
直纹滚花螺采用冷挤压形新工艺 ,效显。
Abstract： There are lots of advantages by cold extrusion for straight knurl nut in a single process.
摘 要： 直纹滚花螺采用冷挤压形新工艺，效显。
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