排污

rèn yì pái wū dōu huì dài lái huán jìng wèn tí

任意排污都会带来环境问题。

Careless pollution will result in environmental problems.

pái wū liàng

排污量

discharge capacity

pái wū xǔ kě zhèng

排污许可证

discharge permit to dispose of sewage