... draw-off tap 放水龙头 dredging of seabed 浚挖海 dredging works 疏浚工程；挖泥工程 ...
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In May, the department completed a trial scheme of dredging the seabed sediment in the Cheung Sha Wan and Sham Wan Fish Culture Zones with a view to improving the Marine ecological environment there.
在五月，该处完成一项试验计划，清理长沙湾及深湾海鱼养殖区海﨟的淤泥，以期改善该等水域的生态环境。
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More than 3% of the Manx seabed is now protected from trawling and dredging.
BBC: Scallop fishing ban for southern Isle of Man bay
According to the Isle of Man government around 3% of the Manx seabed is now protected from trawling and dredging.
BBC: Lobster
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