Equipment_Amortization_Coefficient__c false IF( Maintenance_Contract__r.Request_quotation_AmountF__c <> 0 , Estimate_Cost_formula__c / Maintenance_Contract__r.Request_quotation_AmountF__c, IF(Maintenance_Contract__r.Contract_Amount__c <> 0, Estimate_Cost_formula__c / Maintenance_Contract__r.Contract_Amount__c ,0) ) BlankAsZero 每件设备的摊销系数 18 false 4 false Number false