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Preventing risk of collision with e.g. sunken ship, by covering ship with excavated material or oil permeable film
Preventing risk of collision with e.g. sunken ship, by covering ship with excavated material or oil permeable film
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机译:防止与沉船,用挖出的材料或透油膜覆盖船上
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摘要
The sunken ship (2) is covered with a layer (6) of material excavated at the shipwreck site or covered with an oil-permeable film. The excavated material is e.g. sand, soil or clay.
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