英:[ˌlaʊdˈheɪlə(r)]
美:[ˌlaʊdˈheɪlər]
英:[ˌlaʊdˈheɪlə(r)]
美:[ˌlaʊdˈheɪlər]
1 This manufacturer expects new-style material and chic casing design application gained very great success in loudhailer.
该厂家将新型材料和别致的箱体设计应用在扬声器之中取得了很大的成功。
2 Car acoustics market is the potential user of flat loudhailer technology, domestic movie theater is another application domain.
汽车音响市场是平板扬声器技术的潜在用户,家庭影院则是另一应用领域。
3 Zhen Yu company is committed in the design , derelopment production and distributing of warning lightings, siren and loudhailer.
振宇公司是专业从事警示灯 、 警报器扬声器的设计、开发、生产及销售的企业.
2 麦克风
3 电子喇叭
4 扩音器
microphone amplifier megaphone bullhorn speaking trumpet loudspeaker amp mic mike public address system
6 扩声器