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- Slide-valve vacuum pump is a usual mechanical oil seal vacuum pump. 滑阀真空泵是一种常见的油封式机械真空泵。
- The piezoelectric pressure sensor, vacuum device and heating resistance are used in the experiment. 采用了压电式压力传感器、真空装置、加热电阻等实验设备。
- The infrared micro metal dewar is an essential electronic vacuum device in the infrared detector. 红外微型金属杜瓦是红外探测器中必不可少的一种电真空组件。
- Main applications: used in electric boosting glass kiln electrode, playing Molybdenum rod, for making electric vacuum device and electric light source part mainly. 用途：主要用于电助熔玻璃窑炉用电极，电制造电真空器件及电光源零件。
- Abstract: The failure modes of special electro- vacuum device vibration Stress are introduced and the causes are analyzed.Suggestion on how to improve the resistanve to environmental stress by designing is pressnted. 摘要:介绍了特种电真空器件在振动应力下所引发的故障模式,分析了可能导致故障的原因,并对产品设计中如何提高耐环境应力问题提出了相关的方法和建议。
- Sealed under low pressure or a partial vacuum. 抽空密封的在低压或部分真空状态下密封起来的
- THE DEVELOPMENT FOR C BAND WHOLE SEALED VACUUM ACCELERATING TUBER C波段全密封加速管研制
- Measurement of Vacuum Degree in Sealed Vacuum Tube Using Pulse Discharge 脉冲放电法测量密封真空管真空度
- Police sealed off all the exits from the building. 警方把建筑物的所有出口都封锁住了。
- Cook the meat quickly at first to seal in the juices. 一开始要大火烧肉，以便保存肉汁。
- The putty gives a good seal round the window. 窗户四周泥的油灰密封效果很好。
- The computer disk is sent in a sealed container. 计算机软盘装在密封的盒里寄出。
- Our foil packets seal the flavour in. 我们用锡纸包装以保持原味。
- Some pumps and all vacuum cleaners work by suction. 有些泵和所有真空吸尘器都是借吸力工作的。
- A display device that uses a cathode ray tube. 一种使用阴极射线管的显示装置。
- If took ten men to wrestle the device into place. 用了10个人才把那台装置挪动到位。
- This document carries the royal seal. 这份文件上盖有王室印章。
- The seal on the bottle has perished. 瓶子的封记已经腐烂。
- brazing alloys for electronics and vacuum devices 电真空钎料
- His wife's death left him a vacuum in his life. 他妻子的去世使他的生活变得空虚。
