On the basis of experiments the axial vortex in pump system is analyzed and calculated, the vortex line formulas of planar, cylindrical and axial vortexes are given, and their vortex lines aregraphed.是什么意思_On the basis of experiments the axial vortex in pump system is analyzed and calculated, the vortex line formulas of planar, cylindrical and axial vortexes are given, and their vortex lines aregraphed.在線(xiàn)翻譯_英語(yǔ)_讀音_用法_例句