There are two basic LNG tanker designs, both of which are double - hulled.

有两种基本的液化天然气罐设计, 两者都是双层壳体的.

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The Type 091 nuclear - powered attack submarine utilises a water - drop shape with a double - hulled configuration.

091型核动力攻击潜水艇的结构采用水滴形 双层 外壳结构.

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The requirement for double - hulled tankers spurred the shipping industry to modernize with much safer ships.

对双壳油轮的需求刺激了船舶工业的现代化,船变得更加安全.

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