・この動画「

金属拉丝工艺，常见的表面处理工艺之一

」@bilibili.comと
　　↓↓↓一緒に視聴されています(Often Viewed With)：↓↓↓
・史上最全常见金属表面处理方式
・金属表面处理技术
・喷砂和拉丝的区别
・铜铲齿散热器，金属加工
・不锈钢拉丝机，平面拉丝神器，不锈钢长直纹拉丝设备

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