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| machine utilization | |||
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| machine utilization | |||
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机械 利用 : 12 phrases in 10 subjects |
| Aviation | 1 |
| Bridge construction | 1 |
| Business | 1 |
| Ecology | 1 |
| Electronics | 1 |
| Explosives and Explosive Ordnance Disposal | 1 |
| Hydroelectric power stations | 2 |
| Isolation | 1 |
| Rail transport | 1 |
| Technology | 2 |
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