cause damage to 托福

Conclusions Phosphorus pentasulfide could cause damages to eyes of...

结论五硫化二磷对作业工人眼部有。

However,the point of setscrew may cause damage to the shaft and may be difficult to remove.

种方式固定及拆卸方便，而且不会造成轴新的坏。是一种很常用的固定方式。