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| time study | |||
| 时间研究: 57 phrases in 14 subjects |
| Aviation | 1 |
| Business | 16 |
| Commerce | 3 |
| Earth sciences | 1 |
| Economy | 2 |
| Explosives and Explosive Ordnance Disposal | 1 |
| General | 1 |
| Human resources | 1 |
| Labor law | 2 |
| Management | 16 |
| Mechanics | 1 |
| Metallurgy | 1 |
| Space | 4 |
| Technology | 7 |
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