另一个让人稍有担心的问题是水下杂物会钻进涡轮机叶片中。

Another slight concern is submerged debris floating into the blades.

youdao

另一个让人稍有担心的问题是水下杂物会钻进涡轮机叶片中。

Another slight concern is submerged debris floating into the blades.

youdao