管道的等量长度中的摩擦损失即构成弯管中的压力损失.Friction losses in the equivalent lengths of ducts constitute the pressure loss in the elbow.对小半径弯管国产化的可行性,作了技术论证.The feasibilities of small - radius pipe - bender made in china are demonstrated ...
他用牛皮纸把玻璃上的洞孔封住.He was pasting up the holes in the glass with brown paper.这牛皮纸一撕就破.This brown paper tears easily.那牛皮纸信封是在卡洛琳的一摞东西中, 不过压在下面大约 三分之一 处.The manila envelope was in Carolyn's stack, about a third of - the w...
Wind caught the sudden puff of dust and blew it inland.风猛地刮起一阵灰尘，将它吹往内陆。He took a puff on his pipe and shook his head.他抽了口烟斗，摇了摇头。Can I tempt you with a little puff pastry?我能给你尝点泡芙点心吗？...
霍尔小姐点名后把它们一一划掉。Miss Hoare called out names and marked them off.我们每天早上都得站在雪地里等着点名。We had to stand in the snow every morning for roll call.早晨7点钟点名。Roll-call will be at 7 a.m....
The four provinces are riven by deep family and tribal conflicts.这4个省被严重的家族和部族纷争弄得四分五裂。Frequently he was called upon to resolve conflicts.不断有人要求他出面解决冲突。I can help resolve conflicts that drain energy.我可以帮助解决消耗精力的冲突。...