Pressure hull of deep-submarine is an important equipment, which make the survival at deep-sea access to people, so pressure hull's research is of great significance.
潜水器的耐压壳体是保障人员，能够在海底生存的重要设备，所以潜水器的耐压壳体的研究具有重要的意义。
Pressure hull of deep-submarine is an important equipment, which make the survival at deep-sea access to people, so pressure hull's research is of great significance.
潜水器的耐压壳体是保障人员，能够在海底生存的重要设备，所以潜水器的耐压壳体的研究具有重要的意义。
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