缓吸速放继电器

【电】 slow-operate fast-release relay

缓的英语翻译：

delay; postpone; put off; relaxed; revive; slow

吸的英语翻译：

absorb; attract; inhale; suck; suction; sup; whiff
【医】 aspiration; inspiration; inspirium; myzesis; suck; sucking; suction

速放继电器的英语翻译：

【电】 fast-release relay