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...
The boat was rocking gently to and fro in the water.小船在水中轻轻地来回摇荡。He stood a few moments, rocking back and forwards on his heels.他站了一会儿，踮着脚跟前后摇晃。Judith was sitting in a rocking-chair by the window.朱迪丝正坐在窗户边的一张摇椅里。...
只可回应你老板所责骂的事, 而不回应他的恶言恶语.Respond to the content of your boss's tirade, not the curses.在盛怒下保持冷静只可回应你上司所责骂的事, 而不回应他的恶言恶语.Respond to the content of your boss tirade, not the curses.不要把你所有责骂的语言强加给我.Don't palm all y...