“限流器”用英语怎么说

流量调节采用针阀或限流器.Adjustment is provided in the form of a needle - value or restrictor.限流器采用两组阀结构,延长了限流器的使用寿命.The restrictor was component of two valves and prolongs its use life.首先,本文概述了故障限 流器 的研究现状 、 存在问题以及本文所作的工作.To correc...