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日本水产厅渔业调查船“开洋丸”于1991年2月19日在三井造船公司的玉野造船厂下水。这艘“开洋丸”是1967年建造的同名船的替代船,自1989年开始建造,造价预算为60亿日元。新
Japan’s Fisheries Agency fisheries investigation vessel “open ocean pill” on February 19, 1991 Mitsui Shipyard’s Yushino Shipyard. The “Kaio Marunouchi” was a replacement ship of the same name built in 1967 and was built in 1989 at a cost of 6 billion yen. new