热对流的花样最多，且和流力有密切关系。
自然对流
free convection
暂无补充释义。
相关例句
相关词条
free out (FO)
free clinic
pulse-free chromatographic pump
context-free phrase structure rule【计】
free-central placentation
six bowels fulfill their purposes when there is free flow
context-free grammar
Free Passage