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笔者首次把弹簧制动、液压松闸闭式多盘湿式制动器应用到国产车辆上，使制动系统更加简单、安全、可靠。
It is the first time for the hydraulic loose-brake and multi-dish wet brake with spring braking to be used in vehicle made in China, making the braking system more simple, safer and reliable.
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