petroleum extraction造句
Industry:petroleumextraction,cement,lumber,brewing,sugar,palmoil,soap.AnalysisofthechemicalcompositionofpetroleumextractionfromtheflowersofTetraenamongolicaMaximMiningofcopper,cobalt,diamonds,gold,zin...
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petroleum造句
Industry:petroleum,petroleumrefining,liquefiednaturalgas,construction.Theotherhalfwillbeconventionalpetroleum.Oneofthesepetroleumby-productsisisoprene.Whythendidpetroleumnotemergeearlierasaseriousener...