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air cylinder | |||
air-bottle | |||
air receiver | |||
air bottle | |||
air flask |
空 气 瓶 : 34 phrases in 15 subjects |
Astronautics | 1 |
Automobiles | 1 |
Aviation | 2 |
Compressors | 2 |
Exhibitions | 1 |
General | 1 |
Metallurgy | 2 |
Nautical | 1 |
Oil / petroleum | 2 |
Plastics | 2 |
Shipbuilding | 3 |
Space | 1 |
Submarines | 2 |
Technology | 12 |
Textile industry | 1 |