气密性试验 air tight test ; tightness test ; gas-tightness test ; air tightness test

严密性试验 leak test ; test on tightness

水密性试验 watertighttest ; field water tightness test

皂水气密性试验 sud test

水压紧密性试验 water pressure test for tight-ness ; ness

燃油油密性试验 fuel oil test for tightness

船体密性试验 tightness test for hull

空气箱密性试验 tightness test of air box

气密性试验压力 air tight test pressure ; leakage test pressure