air-breathing apparatus

基本解釋

Respiratory protective devices - Compressed air line breathing apparatus for use with a full face mask, half mask or a mouthpiece assembly - Requirements, testing, marking.
呼吸保護裝置。與全罩式面罩、半罩式面罩或口罩一起使用的壓縮空氣導(dǎo)管呼吸裝置。要求、試驗和標志。
Every man inside the hull is with air breathing apparatus of 6.8-liter with vehicle, so it effectively prevent harmful and poisonous gas to harm crew.
駕駛室內(nèi)每個乘員都配有車載6.8升空氣呼吸器，可有效防止有害、有毒氣體對乘員的危害。
The patent reads: A self-contained open-circuit breathing apparatus for use within a body of water naturally containing dissolved air.
這項專利實質(zhì)如下：一個孤立的綻放使用的電路呼吸器內(nèi)的水固然含有溶氣機構(gòu)。