Jet aerator especially self - suction jet aerator can meet the need well.射流曝气,尤其是自吸式射流曝气就可较好地满足这一要求.The length of air cavity is an important factor in design of lateral aerator.侧空腔长度是侧墙掺气坎设计时考虑的重点内容.The optimum aperture ...
Another damning statistic for South Africa is its appallingly high murder rate.南非还有一项糟糕的统计,表明它还有着令人毛骨悚然的高谋杀率.I'm statistic-phobic, and hopelessly ignorant of medicine.我对统计数据感到恐惧，对药物一窍不通。Statistic of synthetic rubber...
You'd better not mess about in the affairs of others.你最好不要干预别人的事.Don't mess about my bags.不要弄乱我的书包.You'll never finish this job if you mess about.你这么瞎弄,这件事永远也完不了....
Beneath his smart, generous, unflappable exterior lurks massive insecurity.他聪明大度 、 从容镇定的外表下实则潜藏着严重的危机感.The tone is teacherly, unflappable, optimistic ( Benjamin DeMott )这种腔调是教师似的 、 镇定 、 乐观的 ( 本杰明德莫特 )Who in your organiza...