A set of world–wide coverage Admiralty Sailing Directions consist of .(1.0)
A.1 volume B.6 volumes C.more than 70 volumes D.about 34 volumes正确答案C
A set of world–wide coverage Admiralty Sailing Directions consist of .(1.0)
A.1 volume B.6 volumes C.more than 70 volumes D.about 34 volumes正确答案C