air tightness

air tightness 基本解释

[机] 气密度

air tightness 用法和例句

1、air tightness.

列车气密性

2、external window air tightness.

外窗气密性

3、Air tightness test for t.

液舱气密性试验。

4、Air tightness test for auxiliary boiler on board.

辅锅炉装船后气密试验。

5、Design of a Equipment for Checking Air Tightness of Pressure Vessel

一种容器气密性检测装置的设计

6、The Construction Technique of Improving Air Tightness of Storage Building

提高仓房气密性的施工技术

7、Presents the management methods of air tightness and vacuum degree.

介绍了机组气密性管理和真空度管理的方法。

重点词汇

tightness n. 坚固，紧密；紧致；密封性