emptying of bunkers

[作业 运输] 腾空燃料舱; 料斗排空; 煤仓清空; 漏斗排空; 清空料斗; 倒空燃料库; 倒空料斗; 清空漏斗; 漏斗倒空; 倒空燃料仓; 料仓的倒空; 漏斗缺少; 卸空仓库; 排空漏斗