轴流式风机双曲线变截面扭曲叶片技术鉴定会,在四川煤炭工业管理局主持下,于一九八二年十月廿六日至廿九日,在四川永荣矿务局召开。参加会议的单位有重庆大学、贵州工学院、西安矿业学院、四川省科委、重庆煤矿设计院、重庆煤炭科研所及省内各大矿务局等十七个单位,三十七名代表。 双曲线变截面扭曲叶片是永荣矿务局于 Accreditation meeting of hyperbolic variable cross-section warp blade of axial flow fan was held at Sichuan Yongrong Mining Bureau from October 26 to October 29, 1982 under the auspices of Sichuan Coal Industry Administration. The units attending the meeting include Chongqing University, Guizhou Institute of Technology, Xi’an Institute of Mining, Sichuan Provincial Science and Technology Commission, Chongqing Coal Mining Design Institute, Chongqing Coal Research Institute and other major mining bureau and other 17 units and 37 representatives. Hyperbolic distortion of the cross-section of the blade Wing Yong Mining Bureau in