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Russia’s Nuclear Alfa-Class Submarines Had ‘Liquid-Metal Reactors’ That Could Hit 40 Knots and No US Navy Sub Could Ever Catch Them
苏联阿尔法级潜艇由奇异的钛合金制成,航速可达 40 节。只有一个问题:在核潜艇以隐身为特色的时代,它们的声音确实很大。