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natural convection ['nætʃ(ə)rəl kən'vekʃ(ə)n]
ecol. 天然对流
met. 自然对流 (flow)
tech. 自然对流; 自由对流
natural convection: 21 phrases in 8 subjects
Aviation3
Chemistry1
Electronics1
Hydroelectric power stations1
Refrigeration4
Technology8
Telecommunications1
Wind Energy2