话务量 Erl ; [通信] telephone traffic ; traffic ; Teletraffic

业务量成本法 Activity-Based Costing ; based costing

最低业务量 Minimum turnover

话务量单位 [通信] traffic unit

业务量差异 volume variance

业务量 portfolio ; traffic ; business volume ; Traffic Volume

话务量测量 traffic measurement

话务量控制 traffic control

通信业务量 communication traffic volume ; [通信] message volume ; communication cartage aggregate ; communications traffic