Consumption_rate_Gurante__c IF(Maintenance_Price_Amount__c != null && Maintenance_Price_Amount__c > 0, (currentTotalRepairAmount__c + previousTotalRepairAmount__c)/Maintenance_Price_Amount__c,null ) false IF(!ISNULL(Maintenance_Price_Amount__c) ,(currentTotalRepairAmount__c + previousTotalRepairAmount__c)/Maintenance_Price_Amount__c,null ) BlankAsZero 多年保修消费率 18 false 2 false false Percent