The results show that the reason of developing cross flaw is some micro-cracks on the local area and high residual stress in the early of chrome-plating of the samples.

结果表明，形成网格状裂纹的原因是，在镀铬前，样品表面局部区域就存在一些微裂纹及较高的残余应力。

A new Nondestructive testing method, alternative current magnetic flux leakage testing, was introduced to inspect the flaw in the drilling tool thread area.

采用交流磁场检测法对钻具螺纹进行了探伤。

However the open walk in shower has design flaw and the water leaks on the main bathroom area Which is unpleasant.

然而，开放式的步入淋浴设计上有点缺陷，水漏到整个主浴室，有点不好。