Designofgroundheatexchangersforheatpumpsisincreasinglydonewiththesupportof easy-to-use,fastcomputerprograms.Theseprogramsvarywidelyincalculationapproachand accuracy.Thispapergivesashortoverviewoftheearlydevelopment,andfocusesmainlyon programsbasedontheg-function-method.Thismethodisasuitablecompromisebetween rulesofthumbandtablesononehandandtime-consumingnumericalsimulationontheother hand.Otherprogramsarealsodiscussedbriefly,andastudyonthereliabilityofsuchprograms isdiscussed.
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本资料为，某地PC分段开关电气接线图（全套），其包含的内容为平面图，剖面图，立面图节点图纸等，比较齐全，内容详实，可供设计师下载参考。
