焊接问题(socket和former)? the former is the piece of the tool, that the pipe is forced against to make the bend. with cold-pulled bends reffers to the same tool:pipe bender or cold-pull bender. 以上是外方的回复,供大家参考。 2)pipe bender with formers for dn20 pipe. former 变形装置,成型器或成形器 带成型器的弯管机,用于dn20的管子。 3)cut dn 20 pipes to length with cold-pulled bends. [ color=red]用冷拉弯管机 将dn20管子切割至(所需的)长度。查看更多