Dall流量管是具有特别高的压头补偿的实验装置.The Dall flow tube is an empirical design with an extremely high pressure head recovery.当下游压头大于上游压头约3/5时, 流量是潜流.When the downstream head is greater than about 3 / 5 of the upstream head, flow is s...
She appeared with her new beau.她携新欢一同现身。He was Maybelle Merriwether's especial beau , Rene Picard.他是梅贝尔-梅里韦瑟的昵友, 名叫雷内-皮卡德.Mary told her beau she was through with him.玛丽告诉男友说,她俩关系就此结束....
She is a patron of small businesses and trades.她是几个小企业和小手工艺者的资助人。There are 73 unions affiliated to the Trades Union Congress.共有73家工会隶属于英国职工大会。There is still much antagonism between trades unions and the oil companies.工会和...
We had kept its presence hidden with a strategically placed chair.我们用一张摆放得很巧妙的椅子将它隐藏了起来。The presence of a star is already apparent in the early film.在早期影片中已经显露出了明星相。Nobody was allowed to eat in the Empress Dowager's...
The services are attractively priced and are tailored to suit individual requirements.服务费价格诱人且内容按个人需求量身定制。Dress neatly and attractively in an outfit appropriate to the job.着装要整洁美观，适合于这份工作。Set out the cakes attractively, ...