学科分类
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4 个结果
  • 简介:ThestatisticdataofresidentialelectricityconsumptionshowninthetableP.58arequotedfromtheEnergyStatisticalYearBookpublishedbytheNationalStatisticBureauandthestatisticsissuedbytheMinistryofEnergy.Thereasonofthedifferencesbetweenthedatafromthetwosaidsourcesisthatthelatterdoesnotincludetheconsumptionsup-pliedbythelocalsmallpowersources.Fromthestatisticaldatawecanseethat:

  • 标签: ELECTRICITY RESIDENTIAL issued latter statistic BUREAU
  • 简介:ForewordItiswellknownthatallelectricalmachinesandequipmentsaremademainlyofconductingmaterials,magneticmaterials,struc-turalmaterialsandinsulatingmaterials.Insulationmaterialsaresub-jectedtomechanical,thermalandelectricalstressesandexposedtomoisture,dirt,chemicalcorrosionandradiation.Thecombinedac-tion,intensityanddurationofsuchstressesandeffectssetalimitto

  • 标签: insulating RESIN insulation BRIEF EXPOSED instead
  • 简介:ChinaInternationalWaterandElectricCor-poration(CWE)wasformedbymergenceofformerHydraulicEngineeringCorporationofChina(HECC)andformerChinaNationalCompletePlantExportCorporationElectricEngineeringCompany(CEEC)onAugust4,1983.Ithasahistoryofmorethan30yearsinundertakinghydraulicandelectricengineeringprojectscountedfromthebeginningofitsformerbodies.Thecorporationhas600staffmembers.Underthecorporation,thereare2branchesand15overseaorganizations.CWEpossessesacapitalfundof500millionYuanRMB.CWEisanationalcorporationestablishedspeciallyforeconomicandtechnicalcoopera-tionwithforeigncountriesandcontractinghy-draulicandelectricengineeringprojectsandothercivilengineeringprojectsabroad.Themainbusinesslinesareasfollows:1.contractinghydraulic,electricandother

  • 标签: CORPORATION hydraulic BRANCHES mergence BRIEF EXPORT