It possesses the characters of high head, high velocity, long operation time and large variation range of water level.

它具有水头高、流速大、运行时间长、水位变幅大等特点。

youdao

It possesses the characters of high head, high velocity, long operation time and large variation range of water level.

它具有水头高、流速大、运行时间长、水位变幅大等特点。

youdao