自动节流阀

【化】 automatic throttle(valve)

自动的英语翻译：

auto; automatism; of one's own accord; self-motion
【计】 augomatic; automated
【医】 aut-; auto-; automatic movement; automatism; spontaneous movement
telergy

节流阀的英语翻译：

throttle
【化】 throttle valve; throttling valve