A power correlation between expansion ratio and Mach number at the nozzle outlet was found.
并给出了膨胀比与喷嘴出口马赫数之间的幂指数关系。
Nozzle Spray is very popular in power, chemical, agricultural, and environmental engineering, and it is an important part of the research on two-Phase flow.
喷嘴雾化在能源动力、化工、农业和环境工程中有非常广泛的应用，研究喷嘴雾化的流动特性是两相流研究中一个重要课题。
May OFF LINE first printer to the state, when the nozzle blocks before the turn the power off, the final disconnect the plug?
可先将打印机转到OFF LINE状态，当喷头盖帽后方可关闭电源，最后拔下插头。
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