芒果视频下载

選(xuan)配(pei)助(zhu)聽(ting)(ting)(ting)(ting)器(qi)(qi)(qi)時最好(hao)去醫院(yuan)，對聽(ting)(ting)(ting)(ting)力(li)做(zuo)一次全(quan)面檢查，用電測聽(ting)(ting)(ting)(ting)等(deng)儀器(qi)(qi)(qi)準確地評價出耳聾(long)的(de)(de)(de)(de)程度(du)，再(zai)選(xuan)助(zhu)聽(ting)(ting)(ting)(ting)器(qi)(qi)(qi)，如果當(dang)地沒有相應條件的(de)(de)(de)(de)醫院(yuan)，聽(ting)(ting)(ting)(ting)力(li)損(sun)失程度(du)與助(zhu)聽(ting)(ting)(ting)(ting)器(qi)(qi)(qi)功(gong)(gong)率(lv)的(de)(de)(de)(de)選(xuan)配(pei)可按口語(yu)試驗來(lai)估(gu)計(ji)。例如，聽(ting)(ting)(ting)(ting)不到(dao)(dao)(dao)耳語(yu)聲(sheng)(sheng)的(de)(de)(de)(de)人(ren)聽(ting)(ting)(ting)(ting)力(li)損(sun)失30～40分貝，聽(ting)(ting)(ting)(ting)不到(dao)(dao)(dao)低小聲(sheng)(sheng)的(de)(de)(de)(de)人(ren)聽(ting)(ting)(ting)(ting)力(li)損(sun)失約(yue)40～50分貝，此時宜選(xuan)購低功(gong)(gong)率(lv)及中(zhong)功(gong)(gong)率(lv)助(zhu)聽(ting)(ting)(ting)(ting)器(qi)(qi)(qi)；聽(ting)(ting)(ting)(ting)不到(dao)(dao)(dao)普通(tong)講(jiang)(jiang)話聲(sheng)(sheng)的(de)(de)(de)(de)人(ren)聽(ting)(ting)(ting)(ting)力(li)損(sun)失約(yue)50～60分貝，聽(ting)(ting)(ting)(ting)不到(dao)(dao)(dao)高(gao)聲(sheng)(sheng)講(jiang)(jiang)話的(de)(de)(de)(de)人(ren)聽(ting)(ting)(ting)(ting)力(li)損(sun)失60～70分貝，可選(xuan)配(pei)中(zhong)功(gong)(gong)率(lv)及大功(gong)(gong)率(lv)型助(zhu)聽(ting)(ting)(ting)(ting)器(qi)(qi)(qi)；聽(ting)(ting)(ting)(ting)不到(dao)(dao)(dao)大聲(sheng)(sheng)喊叫聲(sheng)(sheng)的(de)(de)(de)(de)人(ren)，聽(ting)(ting)(ting)(ting)力(li)損(sun)失70～80分貝，選(xuan)用中(zhong)、大功(gong)(gong)率(lv)助(zhu)聽(ting)(ting)(ting)(ting)器(qi)(qi)(qi)；全(quan)力(li)喊叫聲(sheng)(sheng)聽(ting)(ting)(ting)(ting)不到(dao)(dao)(dao)的(de)(de)(de)(de)人(ren)聽(ting)(ting)(ting)(ting)力(li)損(sun)失約(yue)約(yue)80～90分貝或更高(gao)，可選(xuan)配(pei)大功(gong)(gong)率(lv)及特大功(gong)(gong)率(lv)助(zhu)聽(ting)(ting)(ting)(ting)器(qi)(qi)(qi)。