英语词汇“free-air helmet”的翻译、意思、用法、释义-英汉双解词典-注文网

单词	free-air helmet
释义	free-air helmet 新鲜空气呼吸面具
随便看	sectional pontoon sectional pontoon dock sectional position sectional quadrant sectional radiator sectional radiography sectional rate sectional release of a locked route sectional repair sectional repeat sectional retro-correlogram sectional rod sectional roentgenography sectional roentgenography of jaw sectional roll sectional roller sectional route locking sectional route locking circuit sectionals sectional seat cushion sectional sensitivity sectional shaft sectional shape sectional shape iron sectional side elevation 人而无信，不知其可。人而无信，不知其可也。人而无信，不知其可也。大车无輗 (ni泥)，小车无軏(yue越)，其何以行之哉？人而无学，则不能烛理；不能烛理，则固执而不通。人而无恒，不可以作巫医。人而无恒，不可作巫医。人而无止，不死何俟(si四)！人而无真实诚心，则所言皆妄。人而无礼，胡不遄死人而无耻，百事可为椰杯椰枣椰水椰汁椰油椰油椰瓢椰瓢椰肉椰花菜