Terms containing relay unit

Subject	English	Chinese
el.	auxiliary relay unit	辅助继电器组
avia.	engine relay unit	发动机继电器装置
space	lunar communication relay unit	月球通信中继装置
IT	lunar communication relay unit	月球通信中继设备
el.	lunar communications relay unit	月球通信中继设备
el.	microwave relay unit	微波中继装置
avia.	microwave relay unit	微波继电器装置
el.	relay unit	继电器组
el.	relay unit	中继装置
steel.	relay unit	继电器
el.	trip relay unit	跳闸继电器组
el.	tripping relay unit	跳闸继电器组