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flame spread | |||
flame propagation; propagation of flame | |||
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flame propagation; flame spread |
火焰传播 : 23 phrases in 9 subjects |
Automobiles | 4 |
Aviation | 2 |
Chemistry | 1 |
Hydroelectric power stations | 2 |
Metallurgy | 2 |
Oil / petroleum | 1 |
Refrigeration | 1 |
Space | 2 |
Technology | 8 |