自动密封 meaning in English

automatic seal
self-sealing

Place must ' ve gone hermetic when the power blew
断电的时候这里一定自动密封了
Automatic gland packing
自动密封垫
Specification for self - sealing fuelling couplings for diesel locomotives and diesel railcars
柴油机车及有轨内燃机车自动密封加油接头规范
Household economy . quick couplings with automatic obturation for the external connection by flexible piping of gas - fired appliances , other than domestic cooking appliances , washing machines and clothes dryers
家政.家用烹调器具洗衣机和衣服干燥机出外的其它燃气器具的软管进行外部连接用的自动密封的快速耦合件