axial fan短语¹³¹⁶²⁰⁺³ 基本例句 轴流式风机,轴两扇凤机 Application of sweeping- curved rotor on counter-rotating axial fan is introduced, the mode of sweeping- curved rotor suitable for unique design method of counter-rotating axial fan is put forward. 分析了弯掠动叶在对旋通风机中的应用，提出了适合对旋通风机独特气动设计方法的叶片弯掠造型。 cnki