所有这些问题的存在，严重制约了黄河上游水电梯级滚动开发。

All the problems mentioned above, restrict the cascade development of Huanghe River's hydroelectric.

youdao

所有这些问题的存在，严重制约了黄河上游水电梯级滚动开发。

All the problems mentioned above, restrict the cascade development of Huanghe River's hydroelectric.

youdao