The former dynamic seal was instead by gasket type seal at the end of flange,so the friction force caused by O-ring rubber seal was reduced,the capability of vacuum seal was im.
介绍了一种激光核聚变中冲击波观测镜真空密封结构的改进设计,并论述了O形圈的选取以及密封槽的设计方法。
A special structure was designed in order to meet the requirements of vacuum packaging process and to promote and keep high vacuum atmosphere inside the chamber.
介绍MEMS器件中常用的键合技术和适用于真空密封与器件性能要求的特殊结构设计,以及提高和保持器件高真空环境的方法。
The relector shall have a high quality chromium plating and adequate seal to the glass.
反光镜部位需为高质量的镀铬镜面，并且为玻璃镜留有足够的密封空间。
interstage gland
级间密封，级间汽封
Gummed strip double-glazing glass: Using hollow gummed strips with superior seal property and desiccant inside to seal the gap between two or more pieces of glasses.
胶条式铝空玻璃：由内含吸湿剂的优异密封性能的中空胶条将两片或多片玻璃间隔密封而成。
electron gun vacuum lock
电子枪真空密封装置
oil sealed rotary vacuum pump
油密封式旋转真空泵
sealing regenerative-type air preheater
密封回热式空气预热器
a layer of trapped air that serves as insulation.
用于绝缘的密封空气层
Since sorrow hath shut me safe in love's pine,/And to spread wing and fly in the outer air
哀怨把我密封在圣洁的爱情中，／想张开双翼，扑向外面的空间、
The Reformative Design of Air Preheater Leakage Control System by Several Advanced Control Methods;
采用多种先进控制方法改进设计空气预热器密封间隙控制系统
any large dark enclosed space.
巨大黑暗的封闭空间。
A current of air in an enclosed area.
气流封闭空间中的气流
confined-space entry and rescue
封闭空间的进入和援救
solid gravel seal
密实的砾石充填层间密封
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
Open Space" And "Closed Space"In The Novel FORTRESS BESIEGED;
《围城》的“开放空间”与“封闭空间”
sealed pneumatic line-type detector
密封空气管式火灾探测器
Ultra-high vacuum flange--Copper seal gaskets
GB/T6071.3-1985超高真空法兰用铜密封垫
When all air has been removed, the vessel is sealed off.
把全部空气抽走后，将容器密封起来。