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据报道,诺斯罗普·格鲁曼公司造船分部已完成了具有里程碑意义的“弗吉尼亚”级潜艇“加利福尼亚”号耐压壳体的建造工作。
It is reported that Northrop Grumman Shipbuilding Division has completed the construction of the landmark “Virginia” class submarine “California” pressure hull.