电离室采用大口径双重密封结构，制作工艺难度大，要求高。
A double casing sealed structure is used in the ionization chamber with thin Windows of large diameter.
实践证明，采用双重密封结构，取消传统MOA中的隔弧筒和引拔棒，提高了MOA的密封可靠性。
Practice shows that the sealing reliability of MOA have been enhanced by using the double sealing and excluding traditional arc-isolating cylinder and FRP rode.
超薄结构，双重密封。
此类轴承在设计上也具有一定调心性，易于安装，具有双重结构的密封装置，可以在恶劣的环境下工作。
Such bearing on the design also has a certain adjustable mind, easy to install, has the dual structure of sealing devices, can be in poor conditions to work.
同时，此类轴承在设计上也具有一定调心性，易于安装，具有双重结构的密封装置，可以在恶劣的环境下工作。
At the same time, such bearing on the design also has a certain adjustable mind, easy to install, has the dual structure of sealing devices, can be in poor conditions to work.
文章介绍了双重密封的结构和原理，通过充水试验检验双重密封的各项性能，对出现的问题进行了分析，并提出了改进方法。
This paper illustrates the structure and principle of double seals, analyzes the problems found in water filled test, and brings forward the improvement method.
连接特点——玻璃板块主要由四边的钩板承受风压，结构密封胶的设计使结构具有双重安全保护功能。
Connect the characteristics - glass plate by the four sides of the hook plate under wind pressure, structural sealant structure of the design features a dual security protection.
连接特点——玻璃板块主要由四边的钩板承受风压，结构密封胶的设计使结构具有双重安全保护功能。
Connect the characteristics - glass plate by the four sides of the hook plate under wind pressure, structural sealant structure of the design features a dual security protection.
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