流量調(diào)節(jié)采用針閥或限流器.Adjustment is provided in the form of a needle - value or restrictor.限流器采用兩組閥結(jié)構(gòu),延長(zhǎng)了限流器的使用壽命.The restrictor was component of two valves and prolongs its use life.首先,本文概述了故障限 流器 的研究現(xiàn)狀 、 存在問(wèn)題以及本文所作的工作.To correc...