The spring brake air chamber of motor vehicle, acting as the power installation of brake actuatingsystem, improves the efficacy and simplifies the construction of parking brake system.
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。
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This paper describes some of the author's experience in designing redundant system for the actuating station in the development of certain remote control of electric power systenr.