當(dang)要(yao)(yao)求(qiu)風速大,吹(chui)干較厚(hou)頭(tou)發和物(wu)體時,應晝選(xuan)用(yong)串激式(shi)電(dian)機和永(yong)磁式(shi)電(dian)機。若要(yao)(yao)求(qiu)噪音較小時應采用(yong)感(gan)應式(shi)電(dian)機,而對于(yu)理發廳,吹(chui)干、定型(xing)男女(nv)各式(shi)頭(tou)發時最好采用(yong)新型(xing)調(diao)溫調(diao)速式(shi)。