當要(yao)求(qiu)風速大,吹(chui)干較厚頭(tou)發(fa)和物體時,應晝選(xuan)用串激式(shi)(shi)電(dian)(dian)機(ji)和永磁式(shi)(shi)電(dian)(dian)機(ji)。若要(yao)求(qiu)噪音較小時應采(cai)用感應式(shi)(shi)電(dian)(dian)機(ji),而對于理發(fa)廳(ting),吹(chui)干、定型(xing)男女各式(shi)(shi)頭(tou)發(fa)時最好采(cai)用新型(xing)調溫(wen)調速式(shi)(shi)。