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- Double valves are switched in such a way that one of the two will fulfill the most severe service to ensure proper sealing of the other. 这两只阀互相切换的条件，二者任一均能满足在最恶劣的工况下运行时保证能够良好密封（而不出现问题）。
- Double valve (built in: used in straight blade to control lift, hold, lower. 双阀（一个内置、一个外置）：用于角铲、松土器。
- Objective:To retrospect the technology of cardiopulmonary bypass(CPB) of 58 double valve replacement procedures. 目的:回顾58例双瓣替换术体外循环管理状况,总结双瓣替换术中灌注技术。
- This trap adopts parallel double valve seats, Thus the capacity of water discharge is enlarged.It can satisfythe working condition of discharge frozen water in large quantity. 该阀采用平行双阀府,因而增大了排水能力,能满足大量排除凝结水的工况。
- This cohort included 517 cases of mitrai valve replacements (MVR), 88 cases of aortic valve replacements (AVR), and 195 double valve replacements (DVR). 本组二尖瓣置换术(MVR)517例,主动脉瓣置换术(AVR)88例,双瓣膜置换术(DVR)195例。
- Closestool cistern had better choose double valve: Current and homebred closestool, cistern capacity basically is in order to install 6 to 8 premium give priority to. 马桶水箱最好选双阀门的：目前国产的马桶，水箱容量基本上都是以装6至8升水的为主。
- Results: This cohort included 517 cases of mitrai valve replacements (MVR), 88 cases of aortic valve replacements (AVR), and 195 double valve replacements (DVR). 结果:本组二尖瓣置换术(MVR)517例,主动脉瓣置换术(AVR)88例,双瓣膜置换术(DVR)195例。收藏指正
- Double Disk Parallel Gate Valves. 明杆平行式双闸板闸板。不锈钢闸阀。
- Double Valves Compensation Feedback Control in Fin Stabilizer Load System 双阀补偿反馈控制在通用施力加载装置中的研究
- The prosthetic valve replacement was underwent in aortic valve 94,mistral valve 255,and double valve 65.There were 74 cases with post operation complication(17.9%),and 16 cases death(3.86%) in early surgery. 共行主动脉瓣膜置换(AVR)94例;二尖瓣置换(MVR)255例;双瓣置换(DVR)65例。 414例手术并发症74例(17.;9%25)。
- He is working double tides to finish his essay. 他日夜苦干，赶写他的文章。
- I do not realize it is a double feature. 我原先不知道这是双片连映。
- Double valve (one built-in, another at outside): used in angle blade, ripper to realize lift, hold , lower, float for the blade cylinder and to realize lift, hold, lower for the ripper cylinder. 双阀（内置）：用于直倾铲。可实现铲刀油缸的提升、封闭、下降、浮动，同时实现侧倾缸左侧倾、右侧倾、封闭。
- Double agents live in a perpetual state of fear. 两面派永远过着提心吊胆的生活。
- I want a double room with a view. 我要一间能看到风景的双人房间。
- He was so fat that he had a double chin. 他胖得有双下巴了。
- The carpet is too thick to double up. 这地毯太厚没法折叠。
- Is the material single width or double width? 这幅料子是单幅的还是双幅的？
- Reserve double room June fourth to tenth inclusive. 预订双人房间，六月四日至十日，共六晚，望订妥复电。
- In this case, I can double for penalty. 假如这样的话，我可以叫加倍了。
