After days of hard work , the culvert was at last completed.经过几天的苦战, 高低把涵洞修好了.They ran for the culvert and ducked in.他们跑到涵洞跟前,钻了过去.Cracks are easily occurred during construct the reinforced concrete box culvert.钢筋混凝土箱涵在施...
The bifurcated pipe of the TGP lock emptying culvert is a reinforced concrete framed structure.三峡永久船闸泄水分岔管是钢筋混凝土框架式结构.They ran for the culvert and ducked in.他们跑到涵洞跟前,钻了过去.Cracks are easily occurred during construct the r...
We can avouch for the quality.我们保证质量.I am willing to employ your friend if you will avouch his integrity.如果你能保证你的朋友是个诚实的人,那么我很乐意聘用他.I avouch for that girl; she has promised to be good.我愿为那女孩担保; 她已答应要改好....
燕子在冬天迁徙到南方。Swallows migrate south in winter.燕子正在我们的屋檐下筑巢.The swallows are building a nest under the roof of our house.春天来临时燕子成群飞来.Swallows come by groups at the advent of spring....