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oxygen cylinder
med. 高压氧气筒
sport., med. 氧气筒; 氧气吸入器
tech. 氧化气瓶; 储氧钢筒
UN, tech. 氧气瓶
oxygen cylinder
: 12 phrases in 6 subjects
Aviation5
Metallurgy2
Scuba diving1
Skydiving2
Space1
Technology1