The three-dimensional velocities of the manifold junction with rectangular section are measured by use of three-dimensional particle dynamic analyzer(3D-PDA).是什么意思_The three-dimensional velocities of the manifold junction with rectangular section are measured by use of three-dimensional particle dynamic analyzer(3D-PDA).在線(xiàn)翻譯_英語(yǔ)_讀音_用法_例句