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      石油化工

      2020-03-04 14:26:07 7

        石油化工是石油化學工業的簡稱。一般指以石油和天然氣為原料的化學工業。范圍很廣,產品很多。而在進行石油化工操作流程的時候真空泵是必不可少的設備之一。


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