Cavitation can make the surface trim have worn, and deep pits.

汽蚀可使阀内件的表面产生磨痕、深沟及凹坑。

youdao

Cavitation can make the surface trim have worn, and deep pits.

汽蚀可使阀内件的表面产生磨痕、深沟及凹坑。

youdao