只发生于流体内部或流体与固体壁面之间的传热称为()。A.传导传热 B.吸收热量 C. 发布时间:2017-04-28 20:42 │ 来源:www.tikuol.com 题型:单项选择题 问题: 只发生于流体内部或流体与固体壁面之间的传热称为()。A.传导传热B.吸收热量C.辐射传热D.对流传热压
题型:单项选择题 Where goods are to be dispatched by road, rail or air instead of by sea, the documentary credit will call for a road transport document or a rail transport document or an airway bill instead of().A.a bill of exchangeB.a certificate of originC.a bill of lading D.a certificate of insurance 查看答案