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工艺 ,。
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工艺 ,。
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工艺,。
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