The deep－sea tramps____.
A.carry dry bulk and general cargo across the high seas
B.are built to carry passengers
C.are mainly coasters
D.are specialized vessel
正确答案是A
The deep－sea tramps____.
A.carry dry bulk and general cargo across the high seas
B.are built to carry passengers
C.are mainly coasters
D.are specialized vessel
正确答案是A