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几乎所有的交通车辆都有鸣叫信号装置,火车有汽笛装置,汽车有喇叭,摩托车有喇叭,就连小小的自行车也有小铃铛,唯独手扶拖拉机没有
Almost all of the traffic vehicles have tweets and signaling devices. There are whistle trains in the train. There are speakers in the cars. There are speakers in the motorcycles. Even small bicycles have small bells, except for the tractor