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excavation of earth; earth excavation; excavator | |||
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gulleting | |||
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gulleting |
挖土 方 : 31 phrases in 8 subjects |
Bridge construction | 4 |
Economy | 1 |
Engineering geology | 3 |
Explosives and Explosive Ordnance Disposal | 1 |
General | 1 |
Hydroelectric power stations | 5 |
Metallurgy | 1 |
Technology | 15 |