英语词汇“reserve parachute”的翻译、意思、用法、释义-英汉汉英词典

单词	reserve parachute
释义	reserve parachute 【航空学】备份伞以上来源于：《21世纪大英汉词典》
随便看	fire protection fire protection bulkhead fire protection construction fire protection design fire protection engineering fire protection equipment fire protection for nuclear power plant fire-protection green belt fire protection in hydropower station fire protection system of nuclear power plant fire protection tree fire protection wall fire protection zone fire puffs fire pulse fire pump fire pump control panel fire pump emergency handle fire quenching fire-quenching firequenching firer fire-raid fire raiser fire-raiser