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- For each Valve DN should be make special seat in order to position valve in the centre of fixture. 每种被测阀门必须有专用支架以保证对中安装。
- The machine controls a three - position valve to fulfill quantative package with the high accurate electrome-chanical combination lever according to the can signal. 该机采用高精度机电组合秤，根据灌装信号，控制三位闸门完成定量包装。
- There are four positive factors that make container ports attractive, says Mr Tse. 谢先生称，促成集装箱港务业颇具吸引力的积极因素有四个：.
- She persevered and triumphed despite the shocking news of her husband C.J. Hunter's four positive drug tests this past summer. 当传来丈夫C.;J
- Blastocysts were injected with four positive ES colonies and transferred in the uteri of pseudopregnat recipient female mice. 注射了ES细胞的胚泡被植入到代孕母鼠中，现在已经获得了嵌合小鼠。
- From this game we look through four identities of four positions: retailer, wholesaler, distributor, and factory and we will simulate to run the beer distribution game. 从这个游戏里,我们透过扮演四种角色:零售商、中盘商、大盘商、制造厂,模拟啤酒的产销流程。
- The library was screened by the RGA probe of Hvrgak4. Four positive clones were obtained among 1.2 X 106 clones in the library through two rounds southern hybridization. 从cDNA文库的1.;2×10~6个克隆中经两次筛选获得四个阳性克隆：kong1插入片段2
- Testing conducted in late May and early June produced four positive results, but officials determined the cases were latent and that all four had been infected prior to coming to the school. 在五月末六月初进行的测试查结果显示四个人呈阳性，但卫生官员推断说那几个病例都是潜在的，而且他们在去学校之前已经被感染。
- It is clear to all of us that two plus two is four. 二加二等于四对我们大家都很清楚。
- He wove four plots together into a novel. 他把四条情节编成一部小说。
- We have tea at four o'clock in the afternoon. 我们在下午四点钟喝茶。
- The town boasts four swimming pools. 这座城镇以拥有四个游泳池而自豪。
- Our football team won by four goals to nil. 我们的足球队以四比零取胜。
- He lay back and hit the ball for four. 他向后弯身击中球，得了4分。
- I was clean broke in less than four days. 不到四天我就一个钱也没有了。
- I'll look out for you at about four. 我4点钟左右找你。
- He showed us four case studies of disturbed girls. 他给我们看了4位精神失常姑娘的病历。
- My house is four miles distance from the sea. 我家离海四英里。
- Our team beat them hollow by four clear goals. 我们队以净胜4分彻底击败了他们。
- The leap year comes around once in four years. 每四年有一个闰年。
