 |
| |||
| 土壤沉实期 | |||
| 混合气预配制时间 | |||
| 准备时间; 制备时间 | |||
| preparation time: 19 phrases in 12 subjects |
| Air defense | 1 |
| Automobiles | 1 |
| Business | 3 |
| Commerce | 1 |
| Corporate governance | 1 |
| Earth sciences | 1 |
| Information technology | 1 |
| Management | 1 |
| Metallurgy | 2 |
| Space | 5 |
| Technology | 1 |
| Telecommunications | 1 |
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