英语词汇“drop bottom-seal”的英英意思、用法、释义、翻译、读音、例句、短语、词组-英语词典

单词	drop bottom-seal
释义	drop bottom-seal automatic door bottom automatic door bottom automatic door bottom A movable plunger, in the form of a horizontal bar at the bottom of a door, which drops automatically when the door is closed; when closed, a horizontal protruding operating rod strikes the door jamb, thereby actuating the plunger, sealing the threshold and reducing noise transmission.
随便看	european local and regional government association european local democracy week european local government officers european logistics association european logistics task group european logistics users providers and enablers group european lok yiu wing chun international martial arts association european longitudinal study of pregnancy and childhood european loss adjusting expert european lotteries european lotus european low fares airline association european lung cancer working party european lupus erythematosus federation european luta livre organization european macro seismic scale european magnetic resonance forum european magpie european malaria vaccine development association european-malay ancestry european malay-austronesians european malay descent european male ageing study european malignant hyperthermia group european manufacturing test conference

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drop bottom-seal