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矫直方管机器太少了，还是自己动手做个机器把弯曲的方管都调直吧
现在找调直方钢机器太少了，找方管调直显示都是钢管调直机其实就是圆管，根本没有方管的机器，一个月思索，自己做了一个调直方管机器，试了试，效果还不错
钢管调直刷漆机 缩管机机 焊管机剁肉机 面条机 等械视频展示117/192
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