常见例句双语例句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。 返回 earphone coupler