equivalent steady pipe flow 等效稳态管流
steady flow in pipe network 管网恒定流
steady turbulent flow in pipe 圆管内定型湍流
Jingjing listened to the steady tapping as Arnel thumped a piece of pipe against the thick beam above their heads.
阿恩尔用力敲打头顶上方靠在粗梁上的一根管子，京京听着不断的敲击声。
There is produced in this way a more or less steady stream of water through the pipe.
这样管中就产生了或多或少的稳定的水流。
Analyses and discussions were conducted of a non steady heat transfer model for the vertical embedded pipe of a geothermal heat exchanger.
对地热换热器竖直埋管的非稳态传热模型进行了分析讨论。
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