anorderlyefficientscientificandreasonabletocarryouttheguarantee.Itscharacteristicsare:binationoftechnicalandeconomicdocumentscansolvethetechnicalproblembutalsoconsidereconomiceffect.prehensiveplayisfull.pletionofbiddingend.piledontheconstructionactivitiesforfulldeploymentguidetheconstructionpreparationandconstructionprocesstechnicaleconomydocument.ponentsandvarioussemi-finishedgoodssupplyontheroadtransportsiteusewaterandelectricityenergyguaranteeon-ounthighqualitylowcosthighefficiencytoobtainthebesteconomicbenefits.municationbridgebetweenengineeringdesignandconstruction.ordwiththeobjectivelawofengineeringconstructionwholeprocessofconstructionplaysanimportantroleintheplanningandguidance.Mainlyhasthefollowingseveralpoints.(1)Itguidetheengineeringbiddingandengineeringcontractsignedasabidtothe
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