港口污染 meaning in Chinese

port pollution

Preliminary treatment covers removal of larger suspended solids and heavier inorganic particulates through mechanical bar screening , gravitational sedimentation and flotation to keep the subsequent unit operations and processes from clogging and abrasion and to maintain the designed functions of the equipment . commonly used preliminary treatment equipment includes bar screen , fine particle sieving , grit chamber , pre - aeration , grease well and scraping chamber , etc . domestic companies have the capability of manufacturing all equipment except fine sieves
两大类，其他还有地下水污染处理、海洋港口污染处理、水库湖泊污染处理等，所需之处理设施大致有拦污设备、沉砂设备、除油设备、沉淀设备、过滤设备、生物处理相关设备、污泥脱水设备、加药设备、高级处理相关设备等。
To prevent marine pollution resulting from ship and port discharge , in addition to the formulation of the crash program to combat ships ' oil pollution , oil - water separators have been installed aboard ships of all types in accordance with relevant stipulations , and oil - polluted water treatment equipment , including emergency treatment equipment , has been installed at all sea ports
为防止船舶和港口污染海洋，各类船舶均按规定装备了油水分离装置，编制了《船上油污应急计划》 ,港口普遍建设了含油污水接收处理设施和应急器材