本课题设计的是电力工程车的后轮制动器，不包括驻车制动器。
This theme design is about the back braking system of electronic construction vehicle. Hand braking system was not included.
本课题设计的是电力工程车的后轮制动器，不包括驻车制动器。
This theme design is about the back braking system of electronic construction vehicle. Hand braking system was not included.
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