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coal blend; duff coal; coal mixture; mixed coal |
混合煤 : 76 phrases in 13 subjects |
Bioenergy | 1 |
Chemistry | 2 |
Construction | 2 |
General | 2 |
Metallurgy | 30 |
Oil / petroleum | 2 |
Oil processing plants | 3 |
Shipbuilding | 2 |
Space | 1 |
Steel production | 1 |
Technology | 28 |
Textile industry | 1 |
Water resources | 1 |