It will save considerable machining time to use more than one tool in one machine to perform several machineoperations either in sequence or simultaneously.
在一台机器上使用数种刀具来顺次或同时进行几项机器操作，将节省大量加工时间。
《新英汉大辞典》
2
Class topics include machineoperations, engineering analysis, automation, and computer-aided manufacturing (CAM).
课程包括机器操作，工程分析，自动化和计算机辅助制造等。
3
The machine installation of automatic feeding system, one can realize multi-machineoperations, increase production and save labor costs.