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| 排气分析标准气 | |||
| 标准气体 | |||
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standard gas : 19 phrases in 11 subjects |
| Automobiles | 1 |
| Aviation | 1 |
| Earth sciences | 1 |
| Economy | 2 |
| Electronics | 1 |
| Geophysics | 1 |
| Metallurgy | 2 |
| Mining | 3 |
| Nautical | 1 |
| Technology | 5 |
| Wind Energy | 1 |
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