- rectangularsectionvolutespringAvoluteonaCorinthianorIoniccapital.Amethodtodeterminelownoisefanvolutestructureisprovided.Itisfoundthatvanediffuserrestrainstheinfluenceofthevoluteontheimpeller.Thevolutesuctionshallcontainareplaceable400Seriesstainlesss...
- 5385
- 1、rectangularsectionvolutespring2、Suitableforproducingdoubletwistspring,straightspring,pagoda-shapeddraughtspring,rectangularspring,wireswithvariousshapes,volutespringandotherspecial-shapedsprings....
- 11776