VHO-F-12 ,VHO-F-15 ,VHO-F-20 ,VFI-F-30 ,VFI-F-40 ,变量叶片帮浦 VHO-F-12 ,VHO-F-15 ,VHO-F-20 ,VFI-F-30 ,VFI-F-40 , 无锡昌林自动化科技有限公司