1)segregated ballast arrangement,专舱压载布置2)ballast tank arrangement,压载舱布置3)layout of water ballast tanks,压载舱的布置4)segregated ballast,专舱压载5)Protective Location of Segregated Ballast Tanks,专用压载舱的保护位置6)segreagted ballast tank protectively located,专用压载舱保护位置