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用手工电焊或气焊来焊接管子的时候,一般需要两个人;一个人旋转管子,一个人进行焊接。现在介绍一种焊管子用的转胎,一个人就可以直接进行焊接管子的工作。转胎的结构请看附图。它的操作方法是这样的:首先把要焊接
When welding pipes by hand welding or gas welding, it normally takes two people; a person rotates the pipe and solves one by one. Now introduce a kind of welding pipe with a tire, a person can work directly welded pipe. Tire structure please see the drawings. Its method of operation is this: first to be welded