| |||
| 氧〔气〕指数 | |||
| 氧指数 | |||
| |||
| ★ 氧指数 | |||
| 氧指数〈塑料烧燃性〉 | |||
| 需氧指数 | |||
|
oxygen-index : 28 phrases in 9 subjects |
| Chemistry | 4 |
| Earth sciences | 2 |
| Oil / petroleum | 1 |
| Oil processing plants | 3 |
| Plastics | 4 |
| Polymers | 2 |
| Technology | 3 |
| Textile industry | 8 |
| Water resources | 1 |
| |||
| 氧〔气〕指数 | |||
| 氧指数 | |||
| |||
| ★ 氧指数 | |||
| 氧指数〈塑料烧燃性〉 | |||
| 需氧指数 | |||
|
oxygen-index : 28 phrases in 9 subjects |
| Chemistry | 4 |
| Earth sciences | 2 |
| Oil / petroleum | 1 |
| Oil processing plants | 3 |
| Plastics | 4 |
| Polymers | 2 |
| Technology | 3 |
| Textile industry | 8 |
| Water resources | 1 |