tightness
短语词组
- water tightness 水密性；水密度，不透水性
- allowable tightness 容许紧密度
- defective tightness 不紧密;不够紧密性;不够紧密;翻译
- Chest tightness 胸部紧束感;胸部紧迫感
- tightness of 紧密性
- Good tightness 好闷
- tightness bag 束口袋
- the tightness 松紧
- Seat Tightness 阀座密封
- air tightness 气密度
- gas tightness 不透气性，气密性
- tightness test 紧密性试验
- leak tightness 密封性；渗漏紧度 返回 tightness