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核潜艇有锚吗？
source link: https://tech.sina.com.cn/d/i/2019-12-16/doc-iihnzahi7820814.shtml
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来源：中国科普博览众所周知，上至航空母舰，下至各种驱逐舰都有锚。问题来了，水下的潜艇完全不惧海面上的巨浪滔天，它们可静静地悬浮于海里的某个深度下，此时，它们还有必要配有锚吗？假如有，又是在什么情况下使用？无图无真相，咱们就用图片来分别展示二
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