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石化行業(yè)部分閥門(mén)等設(shè)備進(jìn)口將被設(shè)限
據(jù)中石油相關(guān)人士介紹，按照全國(guó)石化工業(yè)每年投資3000多億元計(jì)算，設(shè)備投資一般占到工程總投資的3…
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