valve

英 [vælv] 美 [vælv]

n.  阀; 阀门; 活门; 气门; (心脏或血管的)瓣(膜); (铜管乐器的)阀键,活塞
vt.  装阀于; 以活门调节

复数:valves过去分词:valved

CET6考研TOEFLIELTSGRETEM8

Collins.2 / BNC.5127 / COCA.5952



牛津词典

noun

  1. 阀;阀门;活门;气门
    a device for controlling the flow of a liquid or gas, letting it move in one direction only
    1. (心脏或血管的)瓣(膜)
      a structure in the heart or in a vein that lets blood flow in one direction only
      1. (铜管乐器的)阀键,活塞
        a device in some brass musical instruments for changing the note

        柯林斯词典

        1. 阀;活门
          A valve is a device attached to a pipe or a tube which controls the flow of air or liquid through the pipe or tube.
          1. N-COUNT (心脏的)瓣,瓣膜
            A valve is a small piece of tissue in your heart or in a vein which controls the flow of blood and keeps it flowing in one direction only.
            1. He also has problems with a heart valve.
              他的一个心瓣也有毛病。
          2. See also: safety valve

          双语例句

          1. He replaced a dud valve.
            他换掉了坏阀门。
          2. The intake valve was jammed open
            进气阀卡住了,关不上。
          3. One of the long-lasting effects of the infection is damage to a valve in the heart
            感染的其中一个长期后果是使心脏瓣膜受损。
          4. Residents heard an enormous bang as a safety valve on the boiler failed.
            由于锅炉的安全阀失效,居民们听到了砰的一声巨响。
          5. A spurt of diesel came from one valve and none from the other.
            一股柴油从一个阀门中喷射出来,另一个阀门中则没有喷出任何东西。
          6. He also has problems with a heart valve.
            他的一个心瓣也有毛病。
          7. The wastewater samples is transmitted by an air-operated aspirator to the liquid injection valve.
            用气动吸引器将废水试样送入液体注射阀。
          8. Since the engine has no valves, it doesn't need any camshaft, valve lifters and so on.
            因为发动机没有阀门,它不需要任何凸轮轴、起阀器等。
          9. The causes to troubles in120 valve emergency valves are analyzed, and measures for improvement are put forward.
            分析了120阀紧急阀的故障原因,并提出了改进措施。
          10. This valve is not recommended for steam service.
            建议不要在蒸气管道系统中使用这种阀门。
          11. In the AGC system, the AGC hydraulic cylinder is connected with AGC servo valve through the oil feeder.
            在AGC系统中,AGC液压缸通过该供油装置与AGC伺服阀组相连。
          12. Open the reducing valve of helium steel cylinder and the monoblock pump of the molecular pump group.
            开启氦气钢瓶的减压阀和分子泵组的直联泵。
          13. Recommended for O-rings, plastic tears and valve assemblies.
            推荐的O形圈,塑料眼泪和阀组件。
          14. Butterfly valves are commonly used for clip-on butterfly valve and two Flanged butterfly valve.
            常用的蝶阀有对夹式蝶阀和法兰式蝶阀两种。
          15. Analysis of the focus in the main safety valve failure and hydraulic pump.
            分析故障重点在主安全阀和液压水泵。
          16. With thickening oil-tank cover-board, it makes acting noise of oil pump and solenoid valve smaller.
            加厚的油箱盖板使油泵和电磁阀的动作噪音更小。
          17. Manual pumps uses in under the system debugging and the special operating mode valve opens shuts.
            手动泵用于系统调试和特殊工况下的阀门启闭。
          18. What is the difference expansion between turbine expander and valve throttle?
            透平式膨胀机和节流阀之间的膨胀有什么不同。
          19. The check valve and relief valve seats shall be push-in type.
            这种止回阀和安全阀阀座应该是推入式的。
          20. Always pressurize a regulator slowly, while standing with the cylinder valve between you and the regulator.
            总是站得使钢瓶阀门位于你和调整器之间,对调整器慢慢加压。
          21. Speed Control Valves are available for controlling valve opening or closing speed with pneumatic actuators.
            速度控制阀可以用来控制由气动执行器操作的阀门的开启或关闭速度。
          22. Servo valves consists of feedback-electric-hydraulic servo valve and position feedback servo valves.
            伺服阀主要分为力反馈式电液伺服阀和位置反馈式伺服阀。
          23. Continuously Variable Valve Actuation system.
            连续可变气门驱动系统。
          24. A one-way valve can also be constituted as a compound valve with other control valves.
            单向阀还可与其他控制阀组成复合阀,也被广泛地用于液压系统中。
          25. All valve seats and seat discs shall be replaceable.
            所有阀门阀座和阀座阀瓣应该是可更换的。
          26. The port side is the vent valve and tubing, and the starboard side is the blow tube.
            港口方面是发泄阀和油管,和右舷侧是打击管。
          27. Via the level control valve between the high-pressure separators and low-pressure equipment.
            经高压分离器和低压设备之间的液位控制阀。
          28. The paper presented a BP-PID method to control electronic swell valve of system, then BP-PID controller was designed.
            采用BP-PID控制器对系统电子膨胀阀开度进行控制,并设计了BP-PID控制器。
          29. However, certain aspects of installation and application can result in valve malfunctions.
            但是,安装和应用的某些方面可能导致阀门发生故障。
          30. I plant the cartridge valve and reliable performance.
            我厂生产的插装阀性能可靠。

          英英释义

          noun

          1. one of the paired hinged shells of certain molluscs and of brachiopods

            1. the entire one-piece shell of a snail and certain other molluscs

              1. control consisting of a mechanical device for controlling the flow of a fluid

                1. device in a brass wind instrument for varying the length of the air column to alter the pitch of a tone

                  1. a structure in a hollow organ (like the heart) with a flap to insure one-way flow of fluid through it