continuous operating voltage
counter operating voltage
operating voltage
操作电压
运行电压
工作电压
运转电压
作业电压
工诅压
光存储
操作
excess voltage preventer
low voltage and high voltage injury
touch voltage and step voltage
voltage source voltage measurement
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
abnormal operating cash flow
abnormal operating condition
Abnormal Operating State