slow-operating relay 缓动继电器

quick operating relay 速动继电器 ; 快动继电器 ; 急动继电器

FO Fast Operating Relay 快动作继电器

fast-operating relay 快动继电器 ; 快动作继电器

slow operating relay 缓动继电器

fast-operating relay quick operating relay 快动继电器

slow-acting relay slow-operating relay 缓动继电器

fast operating relay 快动作继电器

operating relay lever 继电器操纵杆

quick k operating relay 速动继电器