海运船舶的活动也会对于环境造成有害的污染，包括船上废水处理、船底排水泵、油罐清洗、压舱、发电机和燃料等。
The activities of maritime vessels that can be environmentally harmful include ship waste disposal, bilge pumping, tank cleaning, ballasting, power generation, and fueling.
我们有一次机会来清洗船舶并为铜件抛光。
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