Well we need to put by £200 for the pump valves to be renewed.我们需要存下200英镑以备更换水泵阀。The heart has valves to let blood flow in and out of it.心脏有瓣膜控制血液流进流出.The engineering gang fell earnestly to work on jammed valves.轮机组都起劲地埋...
Some high - performance engines have two separate camshafts, one for each set of inlet and exhaust valves.一些高性能发动机有两个单独的凸轮轴, 分别负责开关进气门和排气门.The latter may be used with bypass or throttling valves in the tower water pipewo...
Jung Lu wrote me a poem once.荣路有一次给我写了一首诗。Lu Hsun attained a high position in the republic of letters.鲁迅在文坛上获得崇高的地位.Lu Shun's plays always act well.鲁迅的剧本上演的效果总是良好....
The production methods of N, N - dimethylaniline including liquid - phase and gas - phase method are introduced.介绍了N, N- 二甲基苯胺的两种生产方法 —— 液相法和气相法,综述了N, N-二甲基苯胺国内外生产工艺进展.A HPLC method with electrochemical detector for dete...
‘We’d just finished our meal when John realized he’d accidentally left his chequebook at home.“Accidentally on purpose, you mean!”“我们刚吃完饭,这时约翰发现他无意中把支票本落在家里了。”“你是说他是有意装无意吧！”As the tabloids have hit on hard times, the che...