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| 氧气瓶; 液氧箱; 储氧箱〔罐〕 | |||
| 氧气筒; 氧气吸入器 | |||
| 储氧箱; 储气箱 | |||
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oxygen tank : 13 phrases in 4 subjects |
| Nursing | 1 |
| Space | 7 |
| Technology | 4 |
| Water resources | 1 |
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