头戴听力保护装置的介入损耗测量用耳中扩音器和固定物声音试验法

头戴听力保护装置的介入损耗测量用耳中扩音器和固定物声音试验法的英文翻译

基本释义

• Microphone-in-real-ear and acoustic test fixture methods for the measurement of insertion loss of circumaural hearing protection devices