空气传导助听器 meaning in English

air conduction hearing aid

Air conduction hearing aid
空气传导助听器
Provisional head and torso simulator for acoustic measurements on air conduction hearing aids
空气传导助听器声学测量用临时头戴筒式模拟器
Provisional head and torso simulator for acoustic measurements on air conduction hearing aids ; identical with iec 60959 : 1990
空气传导助听器声学测量用临时头部模拟器和躯干模拟