监视继电器的英文

• monitoring relay
• sensor relay
• supervisory relay
• watch dog relay

• 监视:    keep watch on; keep a lookou ...
• 继电器:    electric relay; relay
• 应答监视继电器:    answering supervisory relay
• 用户监视继电器:    subscriber supervisory relay
• x线透视继电器:    fluoroscopy relay

其他语言

监视继电器的日语：かんしけいでんき