This article has described expanding method for repairing the concave retaining ring caused by the hydraulic bulging.

详细介绍了用扩冲法对液压胀形出现凹形的护环进行修复的方法。

youdao

This article has described expanding method for repairing the concave retaining ring caused by the hydraulic bulging.

详细介绍了用扩冲法对液压胀形出现凹形的护环进行修复的方法。

youdao