The cavitation damage is prevented effectively in many spillway dragon-raise-head tunnels by aeration facility.

通过设置掺气设施，大多数龙抬头泄洪洞都较好地防止了空蚀破坏。

youdao

The cavitation damage is prevented effectively in many spillway dragon-raise-head tunnels by aeration facility.

通过设置掺气设施，大多数龙抬头泄洪洞都较好地防止了空蚀破坏。

youdao