Dams to be built across fish and crab migration routes shall be provided with appropriate fish passage facilities.

在鱼蟹回游通道筑坝，要建造相应的过鱼设施。

youdao

Dams to be built across fish and crab migration routes shall be provided with appropriate fish passage facilities.

在鱼蟹回游通道筑坝，要建造相应的过鱼设施。

youdao