液压交换机装备有（）油缸。

A．煤气和废气

B．煤气和空气

C．空气和废气

Activity Based Costing (ABC) is an (126) technique that allows an organization to determine the actual (127) associated with each product and service produced by the organization without regard to the organizational structure. This chapter explains some of the uses and benefits of Activity Based Costing. We use IDEFO (128) modeling in conjunction with ABC to enable more effective business (129) design decisions.

In order to achieve the major goals of business process improvement, process simplification and improvement, FAA managers need to fully understand the cost, time, and quality of activities performed by employees or machines throughout an entire organization. ABC methods enable (130) to cost out measurements to business simplification and process improvement.

（127）是（）

A.activity

B.quality

C.cost

D.process