loud-speaker

常见例句

The police on duty tried to shoo away the crowd by using a loud-speaker.
在值班的警员试着把人群散去，于是他使用了扬声器。
web.meetoto.goplayplay.com
Explosion-proof flexible connecting pipes is used in explosion-proof telephone station, explosion-proof terminal, explosion-proof loud-speaker inlet or outlet to conduit and protect the cable.
防爆挠线连接管用于防爆电话站、防爆接线箱、防爆扬声器的输入，输出口到布线钢管之间的过渡连接，起到保护电缆的作用。
www.qdht.com.cn
The Pioneer TS-W307F car loud speaker system support Single conex damper with damper ring, Large magnet and high-power motor assembly together with its Extended excursion design.
在先锋TS - W307F汽车扬声器系统支持单抗耐克斯减震器的阻尼环，大型磁体以及高功率电机装配连同其扩展冲程设计。

These incidents have done more than the decades of screeching by Japanese militarists with their loud-speaker vans to nudge the country into taking tougher measures to defend itself.
ECONOMIST: Japan
The Gamer may be built for fun, but it's all business on the outside -- meaning it avoids the siren call to cover itself in loud colors, over-designed speaker grills and "hardcore" accents.
ENGADGET: Samsung Series 7 Gamer review: the company's first gaming laptop makes its way to the US
Along the bottom edge, you'll find the micro-USB port next to a single speaker that's pleasingly loud -- we only had to hit the middle settings for a decent playback volume.
ENGADGET: Nokia Lumia 820 review: a less expensive option for the Windows Phone crowd