convectionn.(热的)对流
convection activity对流活动
convection features传热特点
convectional drying对流干燥
convectional mixing对领合
convection of energy能量对流
Convection parameter对流参数
convection air layer对流通风层
convection electrode对流电极
convection preheater对流预热器
convection agitation对流搅拌