净化剂是1993年全国科学技术名词审定委员会公布的农学名词,出自《农学名词》第一版。
卤素原子同氮化合物一样,作为净化剂。
The halogen atoms play the same scavenging role as nitrogen compounds.
这基本上就像是酒精扮演了喷油器净化剂的角色。
这艘船运送了数百吨高能量饼干,面粉和水净化剂,以及足够30,000人使用一个月的药品。
It's delivering hundreds of tonnes of high-energy biscuits, flour and water purification tablets, as well as enough medicine to last 30, 000 people for a month.
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