西北欧的主要港口有哪些？
ANTWERP 20GP 3650, 40GP 7200,40HQ 7300
ROTTERDAM 20GP 3650,40GP 7200,40HQ 7200
LE HAVRE 20GP 3650,40GP 7200,40HQ 7300
DUNKERQUE 20GP 无 ,40GP 8700, 40HQ 8800
FELIXSTOWE 20GP 无,40GP 8700,40HQ 8800
HAMBURG 20GP 3600,40GP 7100,40HQ 7200
GDANSK /WILHELMSHAVEN/ZEEBURGGE 3600/7100/7200
KOTKA 20GP 3750,40GP 7200,40HQ 7300