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Writer:ihyangwu | Update time:2003/4/21 上午 09:38:46 |
HOW請問螺絲的內六角是如何製造的? 可否特製螺牙後再延伸一一定的直徑長度??? | |
Writer:管理者 | Update time:2003/4/28 下午 07:05:09 |
回復HOW一般傳統製造法 是先行頭部打頭成型後 再行二次加工搓牙或輾牙或牙紋切削 部份特殊品例外 | |
Writer:Rfp2egjMgD | Update time:2015/10/26 下午 04:19:57 |
8KkhlefCAfQVPlease let me know if you're looking for a arlicte author for your site. You hav e some really great posts and I think I would be a good asset. If you ever want to take some of the load off, I'd really like to write some content for your blo g in exchange for a link back to mine. Please send me an e-mail if interested. T hank you! |