207 元券9789819635474LoudspeakersApplicationParametric￥18630去看看澜瑞图书专营店发布了【3-4周达】Parametric Array Loudspeakers: From Theory to Application [9789819635474]
![【3-4周达】Parametric Array Loudspeakers: From Theory to Application [9789819635474]](https://img.alicdn.com/bao/uploaded/i4/2107887916/O1CN01yS9q8A28LaNVrgjjN_!!4611686018427384108-0-item_pic.jpg_280x380xz.jpg)
