介绍汽车储能弹簧制动气室的结构及工作原理、基本性能的试验，并对试验的结果加以分析。
Described are the structure, working principle and performance test of the automobile spring brake chamber, and analysis is made of experimental results.
汽车储能弹簧制动气室做为驻车制动系统的动力装置，提高了驻车制动效能，简化了驻车制动系统结构。
The spring brake air chamber of motor vehicle, acting as the power installation of brake actuating system, improves the efficacy and simplifies the construction of parking brake system.
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