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管子在运输过程中有时会发生变形,如果管子被压扁或压弯,不但影响外观,还会产生阻力,在安装前必须进行调圆或调直。★拍打调整法若为铅管或铜管。可用两个木锤在管子变形部位轻轻拍打,使弯曲处发生塑性回
Pipe is sometimes deformed during transport. If the pipe is crushed or bent, not only the appearance but also the resistance will occur. Before installation, it must be adjusted or straightened. ★ flapping adjustment method for lead or brass. Two wooden hammer can be used in the deformation of the pipe gently tap, the plastic back to the plastic back