主空气风机（C301）油冷器的冷却面积是（）m。
参考答案：12.21
The form of receipt for any Customs duties collected for the delayed payment shall be prescribed by ______.
A. The Customs General Administration B. The Customs HousesC. The Tariff commission D. The Ministry of Finance
功能温中行气，涩肠止泻的药物是：（）
A.砂仁
B.白豆蔻
C.肉豆蔻
D.草豆蔻
E.诃子
