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★ 氧含量 | |||
含氧量 | |||
氧容量 | |||
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氧含量 (氧气的相对含量。) |
oxygen content : 24 phrases in 13 subjects |
Automobiles | 1 |
Electronics | 1 |
Engineering geology | 1 |
Metallurgy | 2 |
Nautical | 2 |
Nursing | 1 |
Pediatrics | 2 |
Physiology | 1 |
Plastics | 1 |
Space | 1 |
Sports | 5 |
Technology | 5 |
Textile industry | 1 |