It was that the goods should be delivered within 3 days.
查看答案
The buyer and the seller must respectively any risk of export and import prohibition.
They were determined to the tasks assigned them no matter what obstacles they would have to face.
下列属于梁的是( )
A. LL
B. JL
C. DL
D. KBL
下列属于转换层的梁的是()
A. TZL
B. KL
C. AL
D. BKL