用测听仪器检测受调查儿童.The hearing screening of the children surveyed by audiometry instruments.言语测听法采用专门编制的测听词表来检查患耳的言语识别率.Speech audiometry adopts special testing speech tables to measure patients speech discrimination score.本文介...
Receding gums can be the result of disease or simply incorrect brushing.牙龈萎缩可能是疾病导致的,也可能仅仅是错误的刷牙方式引起的。Our company specialize marshmallows, lollipops , bubble gums, chocolates and toys with candy.本公司主要出口棉花糖 、 棒棒糖 、 泡泡糖 、 ...
Of these minerals, kaolinite, illite and chlorite are commonest.在这些矿物中, 高岭石, 伊利石和绿泥石最常见.Rock fragments, including volcanics, are common, and the matrix consists largely of kaolin and illite.常见有岩石碎块, 包括火山岩屑, 基质大部分为高龄土和伊利石...