オイルショック

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1972,3年頃、ジャポンは深刻なオイル不足に陥った。そこで我が国でも石油掘削ロボットが五ツ菱重工で開発され、各ゼネコンが導入して掘削が開始された。
"OilShock"
Around AD 1972,3, Hapon suffered a serious oil shortage.
So even in our country, oil drilling robots were developed by ItsutsubishiJukoh and each general contractor introduced them and the oil driling was started.

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  山猿のゴ

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