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塑钢三位三个机头分别焊什么位置

更新时间: 2020-07-03 00:00:00     

塑钢三位的三个机头存在目的和意义是,方便中梃能和两边的直角一起成型;但由于要控制尺寸,通常情况下是单独使用第三个机头先将中梃焊好之后再加直角;所以,可以使用二位焊代替三位焊来进行焊塑钢三位的三个机头。

关键词: 塑钢 机头 分别 什么 位置

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