据报道，不深，几十米。潜水员和炸弹可从民船舱底放出，放好，定时数十小时后爆炸。

来源: Sunflower28 于 2023-03-07 13:15:42 [博客] [旧帖] [给我悄悄话] 本文已被阅读：次

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