A.workorders
B.humanresources
C.inventorycontrol
D.preventivemaintenance
E.facilitiesschedulemanagement
F.customerrelationshipmanagement
参考答案:ACD
A.workorders
B.humanresources
C.inventorycontrol
D.preventivemaintenance
E.facilitiesschedulemanagement
F.customerrelationshipmanagement
参考答案:ACD