单项选择题
A.commercial invoice;packing list B.commercial invoice;price list C.pro-forma invoice;packing list D.pro-forma invoice;price list
A.Sweden;Vietnam B.Switzerland;Korea C.Sweden;Korea D.Switzerland;Vietnam
A.中国强制性认证 B.国际标准化组织 C.中国检验检疫 D.技术性贸易壁垒协议