In acknowledgement whereof I have hereunto affixed my signature.下面是我的签名,确认我的誓言.Smiley, as requested to do, and I hereunto append the result.这件受人之托的事究竟结果如何, 我来做个交代.We have hereunto subscribed our Names.我们谨在此签名作证....
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...