Vacuum brake
01
真空制动器, 真空制动系统
a braking system that uses suction to apply brakes, commonly found in older railway systems
例子
The vacuum brake became a standard feature in railways during the 19th century, improving safety and efficiency in train operations.
真空制动器在19世纪成为铁路的标准配置，提高了列车运行的安全性和效率。
