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a floating anti pollution barrier material in marine and recobabile draught
a floating anti pollution barrier material in marine and recobabile draught
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机译:海洋和可重生吃水中的一种漂浮的抗污染隔离材料
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摘要
An inflatable marine barrage having an upper buoyancy chamber and lower ballasting based on an inflatable tube of inverted tear drop cross-sections. Means for inflating and venting the tube can be remotely controlled for effecting raising or lowering of the barrage for bringing into use or rendering it inoperative.
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