The sewage treatment of Xinjiang cities is relatively backward, which has influenced weak environment.

新疆城市污水处理相对落后，已对脆弱的环境造成影响。

youdao

The sewage treatment of Xinjiang cities is relatively backward, which has influenced weak environment.

新疆城市污水处理相对落后，已对脆弱的环境造成影响。

youdao