Warning: file_put_contents(/home/www/wwwroot/zidian/69228.com/cache/e60ecb57f2b523e7b77a23fdce4f579a.txt): failed to open stream: No space left on device in /home/www/wwwroot/zidian/69228.com/index.php on line 55 earphone coupler是什么意思，earphone coupler的翻译，earphone coupler音标、读音、用法和例句_魏碑心思朗文词典
Electroacoustics. Simulators of human head and ear. Part 3 : acoustic coupler for the calibration of supra-aural earphones used in audiometry. 电声学。人头和耳模拟器。第3部分：用于听力仪的高级听力耳机校正用听力耦合器。