The necessity of the segregation of cargoes is determined by（）.<br>A:experience from practice<br>B:various types of cargoes<br>C:different types of ships<br>D:personal abilities

The necessity of the segregation of cargoes is determined by（）.
A:experience from practice
B:various types of cargoes
C:different types of ships
D:personal abilities

出自：海船船员证

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