The buyer is obliged to issue all the needed shipping documents.()
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The B/L is normally made out in two sets.()
A. 对
B. 错
A liner is a vessel with regular sailing or arrivals on a stated schedule between specified ports.()
A. 对
B. 错
Partialshipment means shipping the commodity under one contract in more than one lot.( )
A. 对
B. 错
下列化合物中氢原子最易离解的为 ( )
A. 乙烯
B. 乙烷
C. 乙炔
D. 都不是
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