缩孔和缩松是球墨铸铁特有的废品现象.Shrinkage and dispersed shrinkage are the special waster of ductile iron.分析了缩孔产生的原因,消泡剂的作用机理并介绍了预防缩孔的措施.The reasons of crater and action mechanisms of antifoaming agents were analysized.取消冷冒口后,缩孔、缩松问题成功...
I was confronted with an array of knobs, levers, and switches.我面对的是一大堆旋钮、控制杆和开关。As the deadline approached she experienced a bewildering array of emotions.随着最后期限的临近，她开始心绪纷乱，不知所措。A glance along his bookshelves reveals a b...
...the TV series 'The Trials of Life' presented by David Attenborough.由戴维·阿滕伯勒主持的电视系列片《生命之源》...the prominent naturalist and broadcaster, Sir David Attenborough.著名的博物学家兼主持人戴维·阿滕伯勒爵士David Attenborough is one of B...
目的: 探讨分泌性中耳炎 ( SOM ) 、鼓室导抗图为C型患者的咽鼓管功能.Objective : To explore eustachian tube ( ET ) function in patients suffered from SOM with C type curve.目的: 探讨声导抗测试对分泌性中耳炎的诊断价值.Objective : To investigate the value of acoustic immit...
她极少给我们来信.She seldom or never writes to us.他求他的儿子少给他母亲添麻烦.He pleaded with his son to be lesstrouble to his mother.小心那家商店 —— 他们总是会少给你找头.Be careful in that shop - they have a habit of short changing you....
The stench from rotting food is stomach-churning.腐烂食物散发的臭味让人反胃。Programme-makers seem irresponsibly insouciant about churning out violence.编程者似乎对大批量制造含暴力因素的产品处之漠然，毫无责任心。The churning, pressing crowds made her feel claustro...
In the present climate, owners are hanging on to old ships.在目前的形势下，船东们都不愿淘汰掉旧船。People are still hanging out drinking beer, maybe shooting some pool.人们仍聚在那里喝啤酒，可能还会打会儿台球。I found his jacket, which was hanging up in the hal...