n.[U]
脏水,污水,污物
脏水,污水,污物
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- Carriers can contaminate the food they handle. Prevention depends mainly on water and sewage treatment and excluding carriers from food-handling jobs.
食物经带菌者触摸后会受污染。预防措施主要在于对饮用水和污水的处理,并禁止带菌者从事与接触食品有关的工作。收藏 - Piles of garbage and raw sewage would create epidemics, perhaps even recurrences of plague.
一堆堆垃圾和未经处理的污物可能引起流行病,甚至会再发生瘟疫。收藏 - "As the sewer system collapses, people will dump sewage on the streets where rain will eventually wash it away. "
由于下水道坍毁,人们将污水倒在街上,最后被雨水冲走。收藏 - propylene epoxide;saponated sewage;biological treatment;deep well aeration
环氧丙烷,皂化污水,生化处理,深井曝气收藏 - "For sewage and wastewater applications, the standard Silicon Carbide vs. Silicon Carbide lower seal face combination is the ideal choice."
对于污水和废水处理领域,标准金刚砂(碳化硅)和金刚砂(碳化硅)低密封面组合是一个理想选择。收藏
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