air horn

The fighting starts when a signal such as an air horn or whistle blows, and can last anywhere from a few minutes to a few hours.

当用号角或口哨发出信号时，大战就可以开始了，在任何位置都行，能持续几分钟到几个小时。

Suddenly both men realized what it was. Rich threw on the emergency brake and jerked the air horn handle with all his strength.

突然，两个人都意识到这是什么了。里奇拉动紧急刹车，使出全身力气猛拉汽笛拉柄。

Campana slammed on the train's brake and blasted his air horn.

坎帕纳猛地扳动火车刹车，拉响了警报器。

The dual carburetor has a float bowl that partly surrounds the carburetor air horn .

减少引起燃油流动压力的化油器空气喇叭口部分称为喉管。

We use this air horn to give a signal in the event of emergency.

应急情况下，用这个气喇叭发信号。

Test and Analysis on Acoustic Performance of Railway Locomotive Air Horn

铁道机车风笛声学性能试验研究

Research and Design of JQF Low-Noise Air Horn Device with Partial Acoustical Enclosure

JQF型低噪声局部隔声罩风笛装置研究设计