释义 |
pretreatment
pre·treat P0548100 (prē-trēt′)tr.v. pre·treat·ed, pre·treat·ing, pre·treats To treat (wood or fabric, for example) beforehand. pre·treat′ment n.pretreatment (priːˈtriːtmənt) ntreatment administered beforehandadj (Medicine) occurring, or administered, before treatment
pretreatment
pretreatment1. A priming treatment given before the main course of therapy or the main chemical modification of a substance.2. Before therapy.wastewater pretreatmentIn environmental practice, acting to attempt to eliminate, reduce, or alter polluted water after it enters the water treatment works. |