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jun 15, 1984 - 1984年6月15日上海船厂建成中国自行设计的第一座半潜式海洋石油钻井平台“勘探=号”，钻井深度可达 6000米。

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1984年6月15日上海船厂建成中国自行设计的第一座半潜式海洋石油钻井平台“勘探=号”，钻井深度可达 6000米。

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工业大事年表

2 Sep 2023

1

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731

Date:

jun 15, 1984

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~ 42 years ago

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