Place names used on board ships should be
问题:
Place names used on board ships should be those ().
A.specified by international authorities
B.specified by national authorities
C.on standard map
D.on the chart or Sailing Directions in use
Place names used on board ships should be those ().
A.specified by international authorities
B.specified by national authorities
C.on standard map
D.on the chart or Sailing Directions in use