芒果视频下载

選(xuan)配(pei)助聽(ting)器(qi)時最好去醫院，對聽(ting)力(li)做一次全面檢查(cha)，用電測(ce)聽(ting)等儀器(qi)準確地評價出耳聾的(de)(de)程(cheng)(cheng)度，再選(xuan)助聽(ting)器(qi)，如果當地沒有相應條件的(de)(de)醫院，聽(ting)力(li)損失程(cheng)(cheng)度與助聽(ting)器(qi)功(gong)(gong)(gong)(gong)率(lv)(lv)(lv)的(de)(de)選(xuan)配(pei)可按(an)口語試(shi)驗來估計。例如，聽(ting)不(bu)(bu)(bu)到(dao)耳語聲的(de)(de)人(ren)(ren)(ren)聽(ting)力(li)損失30～40分貝，聽(ting)不(bu)(bu)(bu)到(dao)低小聲的(de)(de)人(ren)(ren)(ren)聽(ting)力(li)損失約(yue)40～50分貝，此(ci)時宜選(xuan)購低功(gong)(gong)(gong)(gong)率(lv)(lv)(lv)及(ji)中功(gong)(gong)(gong)(gong)率(lv)(lv)(lv)助聽(ting)器(qi)；聽(ting)不(bu)(bu)(bu)到(dao)普通講(jiang)話(hua)聲的(de)(de)人(ren)(ren)(ren)聽(ting)力(li)損失約(yue)50～60分貝，聽(ting)不(bu)(bu)(bu)到(dao)高聲講(jiang)話(hua)的(de)(de)人(ren)(ren)(ren)聽(ting)力(li)損失60～70分貝，可選(xuan)配(pei)中功(gong)(gong)(gong)(gong)率(lv)(lv)(lv)及(ji)大(da)功(gong)(gong)(gong)(gong)率(lv)(lv)(lv)型助聽(ting)器(qi)；聽(ting)不(bu)(bu)(bu)到(dao)大(da)聲喊叫聲的(de)(de)人(ren)(ren)(ren)，聽(ting)力(li)損失70～80分貝，選(xuan)用中、大(da)功(gong)(gong)(gong)(gong)率(lv)(lv)(lv)助聽(ting)器(qi)；全力(li)喊叫聲聽(ting)不(bu)(bu)(bu)到(dao)的(de)(de)人(ren)(ren)(ren)聽(ting)力(li)損失約(yue)約(yue)80～90分貝或更高，可選(xuan)配(pei)大(da)功(gong)(gong)(gong)(gong)率(lv)(lv)(lv)及(ji)特大(da)功(gong)(gong)(gong)(gong)率(lv)(lv)(lv)助聽(ting)器(qi)。