| 单词 | water purification |
| 释义 | water purification [`wȯd·ǝr ´pyu̇r·ǝ·fǝ`kā·shǝn] CIVIL ENGINEERING Any of several processes in which undesirable impurities in water are removed or neutralized; for example, chlorination, filtration, primary treatment, ion exchange, and distillation. |
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