fluorescent liquid penetrant是什么意思

用法例句

This paper describes the treatment of wastewater containing fluorescent permeating agent using oxidationcoagulation process, achieving reduction of COD in the wastewater from 750mg/L to 140～145mg/L.

采用氧化－混凝法处理含荧光渗透剂的有机废水，可将废水中的ＣＯＤ从７５０ｍｇ／Ｌ降到１４０～１４５ｍｇ／Ｌ。