Shafts were sunk, with tunnels dug laterally.竖井已经打下，并且挖有横向矿道。When the plate becomes unstable, it buckles laterally.当板失去稳定时, 就发生横向屈曲.When water reaches the saturated zone beneath the water table , it oozes slowly downward...
Down below them was the sea of upturned faces.他们下面是无数张仰望的脸。He clung to the upturned boat, screaming for help.他紧紧抓着住倾覆的小船，高呼救命。He came into the room, his overcoat collar upturned.他进屋时大衣领子向上翻起....
1944年4月他在战时服役中阵亡。In April 1944 he was killed on active service.他已经安心在预备役部队服役。He has buckled down to work in the reserves.二战期间他在英国皇家空军海防总队服役。During the second world war he served with RAF Coastal Command....
介绍一种简便高效的双阀滤池改造技术.A simple and effective reconstruction technology of the dual - valve filter was introduced.采用双阀机构解决膜吸收过程中膜渗漏问题.The membrane leakage problem is resolved by adopting a dual - valve mechanism during the me...