适用于各种运输方式的贸易术语的是()。
A.EXW
B.FCA
C.FAS
D.FOB
E.CPT
参考答案:A, B, E
I don't know what I should do to help him.
A. how to do B. what to do C. what to do it
管道法兰漏煤气,可采取()办法临时处理或包焊方法。