水密性 water tightness ; water proofness

水密完整性 watertight integrity

水密性测试 watertightness test

水密性试验 watertighttest ; field water tightness test

水密性能 watertightness performance ; water -tightness

皂水气密性试验 sud test

舱壁水密完整性 watertight integrity of bulkhead

水密性、不透水性 Water tightness

水密性好 Good water tightness