真空密封性 meaning in English
vacuum leakproofness
Examples
- Plastics piping systems - systems for hot and cold water - test method for leaktightness under vacuum
塑料管道系统.热水和冷水系统.真空密封性的检验方法 - Plastics piping systems - systems for hot and cold water - test method for leaktightness under vacuum ; german version en 12294 : 1999
塑料管道系统.热水和冷水系统.真空密封性的检验方法