短語詞組短語water tightness 水密性；水密度，不透水性allowable tightness 容許緊密度defective tightness 不緊密;不夠緊密性;不夠緊密;繙譯Chest tightness 胸部緊束感;胸部緊迫感tightness of 緊密性Good tightness 好悶tightness bag 束口袋the tightness 松緊Seat Tightness 閥座密封air tightness 氣密度gas tightness 不透氣性，氣密性tightness test 緊密性試騐leak tightness 密封性；滲漏緊度 返回 tightness