1)oil pollution regulation,油污规则2)Regulation for Prevention of Pollution by Sewage from Ships,防止生活污水污染规则3)massive oil pollution,大规模的油污4)pump by heads,不规则间歇抽油5)random stratified reservoir,不规则层状油层6)Regulation for the Prevention of Pollution by Garbage from Ships,防止船舶垃圾污染规则
