automatic exchanger automatic switching device automatic transfer equipment
Example Sentences:
1.
Design and application of auto - shifting device of auxiliary fan 局部通风机自动转换装置的设计应用
2.
Low - voltage switchgear and controlgear for industrial use - automatic change - over devices for emergency lighting systems 工业用低压开关设备和控制装置.应急照明系统用自动转换装置
