第四十条向大气排放恶臭气体的排污单位，必须采取措施防止周围居民区受到污染。
Article 40 Units that discharge fetor into the atmosphere must take measures to prevent the pollution of neighboring residential areas.
有效防止细菌病毒、臭气、蚊虫及蟑螂经排水管进入室内。
The valve trap effectively prevents bacteria, germs, bad smell, mosquitoes and cockroaches getting into the house through the sewage pipes.
软但坚固，它提供了极好的水汽输送，能极其迅速干燥，完全透气，防止臭气和发霉，并使靴子始终保持如此表现。
Soft but tough, it provides excellent vapor transport, is extremely quick drying, is completely breathable, resists odor and mildew, and keeps performing for the entire life of the boot.
本实用新型具有能够防止下水管道被堵塞和防止管道中臭气散发出来污染空气的优点。
The utility model has the advantages that a sewer pipe can be prevented from being blocked, and odour in the pipe can be prevented from throwing off to pollute air.
本实用新型具有能够防止下水管道被堵塞和防止管道中臭气散发出来污染空气的优点。
The utility model has the advantages that a sewer pipe can be prevented from being blocked, and odour in the pipe can be prevented from throwing off to pollute air.
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