直缝埋弧焊钢管生产线（单支长度12.5米，可对接）
1、（16英寸nbspnbspnbspnbspnbspnbspnbspnbspnbsp
2、（18英寸nbspnbspnbspnbspnbspnbspnbspnbspnbsp
3、（20英寸nbspnbspnbspnbspnbspnbspnbspnbspnbspnbspnbspnbsp;
4、（22英寸nbspnbspnbspnbspnbspnbspnbspnbspnbspnbspnbspnbspnbspnbspnbspnbsp
5、（24英寸nbspnbspnbspnbspnbspnbspnbspnbspnbspnbspnbspnbspnbspnbspnbspnbsp
6、（26英寸nbspnbspnbspnbspnbspnbspnbspnbspnbspnbspnbspnbspnbspnbspnbspnbsp
7、（28英寸nbspnbspnbspnbspnbspnbspnbspnbspnbspnbspnbspnbspnbspnbspnbspnbsp
8、（30英寸nbspnbspnbspnbspnbspnbspnbspnbspnbspnbspnbspnbspnbspnbspnbspnbsp
9、（32英寸）nbspnbspnbspnbspnbspnbspnbspnbspnbspnbspnbspnbspnbspnbspnbspnbsp
10、（34英寸nbspnbspnbspnbspnbspnbspnbspnbspnbspnbspnbspnbspnbspnbspnbspnbsp
