芒果视频下载

選(xuan)配(pei)(pei)助(zhu)(zhu)(zhu)(zhu)聽(ting)(ting)(ting)(ting)(ting)器(qi)(qi)(qi)時最好去醫院，對(dui)聽(ting)(ting)(ting)(ting)(ting)力(li)(li)(li)做一次全面檢查(cha)，用電(dian)測聽(ting)(ting)(ting)(ting)(ting)等儀(yi)器(qi)(qi)(qi)準確地評價出耳(er)聾的程度(du)，再(zai)選(xuan)助(zhu)(zhu)(zhu)(zhu)聽(ting)(ting)(ting)(ting)(ting)器(qi)(qi)(qi)，如(ru)果當地沒(mei)有(you)相應條件的醫院，聽(ting)(ting)(ting)(ting)(ting)力(li)(li)(li)損(sun)失程度(du)與助(zhu)(zhu)(zhu)(zhu)聽(ting)(ting)(ting)(ting)(ting)器(qi)(qi)(qi)功(gong)(gong)(gong)率(lv)的選(xuan)配(pei)(pei)可(ke)按口語(yu)試驗來估計。例如(ru)，聽(ting)(ting)(ting)(ting)(ting)不(bu)到耳(er)語(yu)聲(sheng)(sheng)(sheng)(sheng)(sheng)的人(ren)(ren)(ren)聽(ting)(ting)(ting)(ting)(ting)力(li)(li)(li)損(sun)失30～40分貝，聽(ting)(ting)(ting)(ting)(ting)不(bu)到低(di)小聲(sheng)(sheng)(sheng)(sheng)(sheng)的人(ren)(ren)(ren)聽(ting)(ting)(ting)(ting)(ting)力(li)(li)(li)損(sun)失約40～50分貝，此(ci)時宜選(xuan)購低(di)功(gong)(gong)(gong)率(lv)及(ji)中功(gong)(gong)(gong)率(lv)助(zhu)(zhu)(zhu)(zhu)聽(ting)(ting)(ting)(ting)(ting)器(qi)(qi)(qi)；聽(ting)(ting)(ting)(ting)(ting)不(bu)到普通講(jiang)話聲(sheng)(sheng)(sheng)(sheng)(sheng)的人(ren)(ren)(ren)聽(ting)(ting)(ting)(ting)(ting)力(li)(li)(li)損(sun)失約50～60分貝，聽(ting)(ting)(ting)(ting)(ting)不(bu)到高聲(sheng)(sheng)(sheng)(sheng)(sheng)講(jiang)話的人(ren)(ren)(ren)聽(ting)(ting)(ting)(ting)(ting)力(li)(li)(li)損(sun)失60～70分貝，可(ke)選(xuan)配(pei)(pei)中功(gong)(gong)(gong)率(lv)及(ji)大功(gong)(gong)(gong)率(lv)型助(zhu)(zhu)(zhu)(zhu)聽(ting)(ting)(ting)(ting)(ting)器(qi)(qi)(qi)；聽(ting)(ting)(ting)(ting)(ting)不(bu)到大聲(sheng)(sheng)(sheng)(sheng)(sheng)喊叫聲(sheng)(sheng)(sheng)(sheng)(sheng)的人(ren)(ren)(ren)，聽(ting)(ting)(ting)(ting)(ting)力(li)(li)(li)損(sun)失70～80分貝，選(xuan)用中、大功(gong)(gong)(gong)率(lv)助(zhu)(zhu)(zhu)(zhu)聽(ting)(ting)(ting)(ting)(ting)器(qi)(qi)(qi)；全力(li)(li)(li)喊叫聲(sheng)(sheng)(sheng)(sheng)(sheng)聽(ting)(ting)(ting)(ting)(ting)不(bu)到的人(ren)(ren)(ren)聽(ting)(ting)(ting)(ting)(ting)力(li)(li)(li)損(sun)失約約80～90分貝或(huo)更高，可(ke)選(xuan)配(pei)(pei)大功(gong)(gong)(gong)率(lv)及(ji)特大功(gong)(gong)(gong)率(lv)助(zhu)(zhu)(zhu)(zhu)聽(ting)(ting)(ting)(ting)(ting)器(qi)(qi)(qi)。