There are lots of advantages by cold extrusion for straight knurl nut in a single process.
直纹滚花螺
采用冷挤压一次成形新工艺 ,成效显著。
拉边器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一次成形新工艺 ,成效显著。
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一次成形新工艺，成效显著。
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