external knurling
... strainght-line knurling 直线滚花 external knurling 外压花 diamond-shaped knurling 菱形滚花 ...
基于6个网页-相关网页
精密的模配置，可实现适用于真皮，线缝外底的开槽、压花、汤金加工三大功能。
Equipped with precise molds, the machine is applicable to the channeling, embossing and gold stamping of stitching sole and genuine leather sole.
youdao
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