Air tightness test for t.
液舱气密性试验。
external window air tightness.
外窗气密性
Air pressure test for strength and tightness
气压强度及气密试验
Gas tightness test of control air reservoir.
控制空气瓶密性试验。
The gas tightness test of aux. Air reservoir.
副空气瓶密性试验。
Gas tightness submission of main air reservoir.
主空气瓶密性提交。
The gas tightness test of service air reservoir.
日用空气瓶密性试验。
Air tightness test for auxiliary boiler on board.
辅锅炉装船后气密试验。
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。
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
The Construction Technique of Improving Air Tightness of Storage Building
提高仓房气密性的施工技术
It uses air cylinder to control tightness degree of rewinding, which is reliable and convenient in operation.
采用气缸压控复卷松紧度，控制可靠，操作方便。
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