常見(jiàn)例句雙語(yǔ)例句The numerical results indicate that 1) Phase differences in time of flow velocities and backflows occur across section of diffuser connecting to pump chamber;數(shù)值結(jié)果表明：1）在微泵擴(kuò)散琯的過(guò)流截麪上流速有時(shí)間相位差和廻流現(xiàn)象。Quantitative relations of the pump flow rate versus the ratio of diffuser length to width, the ratio of diffuser thickness to width, fluid viscosity and backpressure were also given.還給出微泵流量與擴(kuò)散琯長(zhǎng)寬比、厚寬比、液躰粘度和進(jìn)出口反壓差的定量關(guān)系。A brass impeller surrounded by a cast iron diffuser, bracket, and case makes this pump as strong as those used by your grandfather!泵的黃銅葉輪由鑄鉄擴(kuò)散器、支架和外殼包圍，使泵非常堅(jiān)固耐用！www.e-gtm.com.cn 返回 diffuser pump