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| efflux | |||
| elapsed time | |||
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时间 经过 : 42 phrases in 13 subjects |
| Animal husbandry | 1 |
| Automobiles | 1 |
| Aviation | 9 |
| Business | 1 |
| Economy | 6 |
| General | 7 |
| Hydroelectric power stations | 1 |
| Management | 1 |
| Metallurgy | 2 |
| Oil / petroleum | 1 |
| Space | 4 |
| Technology | 5 |
| Telecommunications | 3 |
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