汚お水すい処しょ理り

noun

sewage treatment; sewage disposal

Technical and administrative term for the process of treating wastewater. Often used in environmental, municipal, and engineering contexts.

• この地ち域いきでは汚お水すい処しょ理り施し設せつの整せい備びが急きゅう務むだ。

  In this area, the development of sewage treatment facilities is an urgent task.

• 汚お水すい処しょ理りの技ぎ術じゅつは年ねん々ねん進しん歩ぽしている。

  Sewage treatment technology is advancing year by year.