![PABX造句怎麼寫]( "PABX造句怎麼寫")
- PABX[PrivateAutomaticBranchExchange]SpecificationfordesignofSPCPABXengineeringinindustrialenterprisesDesignofExpertSystemforPABXFaultDiagnosticThisPaperintroducestheinterfacecircuitsschemesofthePABXthatrealizesthelocalofficesubscriberstocallthesubscr...
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