单项选择题
A.途径口岸;签证地点;产地 B.产地;签证地点;途径口岸 C.签证地点;产地;途径口岸 D.产地;途径口岸;签证地点
A.Certificate of empty tank;Certificate of fumigation B.Certificate of fumigation;Certificate of cleanliness C.Certificate of empty tank;Certificate of cleanliness D.Certificate of cleanliness;Certificate of empty tank
A.60;7 B.30;7 C.30;14 D.60;14