Post aeration – Air scouring continues after the liquid backwash ends.邮局充气–空气擦亮在液态的冲洗末端之后继续.Aeration is a tank where microorganism decompose organism in waste water.曝气池是栖息在活性污泥中的微生物分解污水中有机物的场所.Those that are used should ...
Theoretically sludge yield is nil for the extended aeration process.对延时曝气法而言,理论上污泥生成量应为零.This is true for BOD removal, aeration and biological growth.这对生化需氧量的去除, 通气,生物生长都是适用的.Those that are used should be equipped with a...
'Why, in the name of Davy Jones,'said he,'is Dr Livesey mad?'“ 我的海王爷, ” 他说, “ 利维塞大夫准是疯了 吧 ? ”How is it that your composition is exactly the same with Davy's?“你的作文和戴维的完全一样,这是怎么一回事? ”The ship and a...
仙鹤与小犬的描绘, 毛发渲染与梳理十分周到.Stork with the description of the small dog, the hair rendering with comb very thoughtful.余尝言,愿购小犬一头相赠,待阖家乔迁总统府邸之日,相携同进吾宅.And you have earned the new puppy that's coming with us to the new Whit...
这使师资匮乏的问题更为严重.This makes the teacher shortage even more critical.自然资源匮乏的唯一经济判断是成本, 而不是实物的稀缺.Costs, not physical scarcity, are the only economic test of a shortage of natural resources.失业和匮乏的幽灵一直在对他们作祟是不能否认的.There is no d...