The background of Globallast Risk Assessment Activity is introduced,and the methodology,technique of BWRA,work tasks,implementation of BWRA in Dalian and the sense of BWRA is introduced as well.是什么意思_The background of Globallast Risk Assessment Activity is introduced,and the methodology,technique of BWRA,work tasks,implementation of BWRA in Dalian and the sense of BWRA is introduced as well.在线翻译_英语_读音_用法_例句