电声器件 meaning in Chinese

electroacoustic device
electroacoustical device

Type designation for electroacoustic devices
电声器件型号命名方法
Environmental test methods for communication electroacoustic transducers
通信电声器件环境试验方法
Mechenical interface between communication electro acoustic device and equipment
通信电声器件与设备的机械接口
The prefered matching values between communication electo - acoustic device and equipment
通信电声器件与设备互连的优选配接值
Electric acoustic devices
电声器件

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