渤海是内海，别说大黑鱼就算是无人潜艇也很难进来。但黄海平均水深有40多米小型潜艇还是可以进来的

来源: 天青水蓝于 2023-02-13 19:22:15 [博客] [旧帖] [给我悄悄话] 本文已被阅读：次

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