engine operating efficiency
operating efficiency evaluation
peak operating efficiency
vessel operating efficiency
Operating dynamic energy efficiency of systems
operating system efficiency
operating in all weathers operating
present operating cost and annual operating cost
Downsizing for efficiency; cut payroll to improve efficiency
Efficiency Congestion in the Efficiency Intervals
High Efficiency and Premium Efficiency Motor
zero capital of operating
128-bit operating systems
16-bit operating system
1st grade clean operating room
32-bit operating systems
64-Bit Operating Systems
abdominal operating instruments set