芒果视频下载

選配助聽(ting)(ting)(ting)(ting)器(qi)(qi)時(shi)最(zui)好去(qu)醫院，對聽(ting)(ting)(ting)(ting)力做一次全(quan)面檢(jian)查，用電測聽(ting)(ting)(ting)(ting)等儀器(qi)(qi)準確(que)地(di)評價出耳聾的(de)(de)程度，再選助聽(ting)(ting)(ting)(ting)器(qi)(qi)，如果當地(di)沒有相應條件的(de)(de)醫院，聽(ting)(ting)(ting)(ting)力損(sun)(sun)失(shi)程度與(yu)助聽(ting)(ting)(ting)(ting)器(qi)(qi)功(gong)率(lv)(lv)(lv)的(de)(de)選配可(ke)按口(kou)語試驗(yan)來估計。例如，聽(ting)(ting)(ting)(ting)不到(dao)耳語聲(sheng)(sheng)(sheng)的(de)(de)人(ren)(ren)聽(ting)(ting)(ting)(ting)力損(sun)(sun)失(shi)30～40分(fen)貝(bei)，聽(ting)(ting)(ting)(ting)不到(dao)低小(xiao)聲(sheng)(sheng)(sheng)的(de)(de)人(ren)(ren)聽(ting)(ting)(ting)(ting)力損(sun)(sun)失(shi)約(yue)(yue)40～50分(fen)貝(bei)，此時(shi)宜選購低功(gong)率(lv)(lv)(lv)及(ji)中功(gong)率(lv)(lv)(lv)助聽(ting)(ting)(ting)(ting)器(qi)(qi)；聽(ting)(ting)(ting)(ting)不到(dao)普通(tong)講話(hua)聲(sheng)(sheng)(sheng)的(de)(de)人(ren)(ren)聽(ting)(ting)(ting)(ting)力損(sun)(sun)失(shi)約(yue)(yue)50～60分(fen)貝(bei)，聽(ting)(ting)(ting)(ting)不到(dao)高(gao)聲(sheng)(sheng)(sheng)講話(hua)的(de)(de)人(ren)(ren)聽(ting)(ting)(ting)(ting)力損(sun)(sun)失(shi)60～70分(fen)貝(bei)，可(ke)選配中功(gong)率(lv)(lv)(lv)及(ji)大(da)(da)(da)功(gong)率(lv)(lv)(lv)型助聽(ting)(ting)(ting)(ting)器(qi)(qi)；聽(ting)(ting)(ting)(ting)不到(dao)大(da)(da)(da)聲(sheng)(sheng)(sheng)喊(han)叫聲(sheng)(sheng)(sheng)的(de)(de)人(ren)(ren)，聽(ting)(ting)(ting)(ting)力損(sun)(sun)失(shi)70～80分(fen)貝(bei)，選用中、大(da)(da)(da)功(gong)率(lv)(lv)(lv)助聽(ting)(ting)(ting)(ting)器(qi)(qi)；全(quan)力喊(han)叫聲(sheng)(sheng)(sheng)聽(ting)(ting)(ting)(ting)不到(dao)的(de)(de)人(ren)(ren)聽(ting)(ting)(ting)(ting)力損(sun)(sun)失(shi)約(yue)(yue)約(yue)(yue)80～90分(fen)貝(bei)或更(geng)高(gao)，可(ke)選配大(da)(da)(da)功(gong)率(lv)(lv)(lv)及(ji)特大(da)(da)(da)功(gong)率(lv)(lv)(lv)助聽(ting)(ting)(ting)(ting)器(qi)(qi)。