串列双腔式制动主缸
series dual chamber brake master cylinder
主缸储液罐液面
master cylinder reservoir level
主缸储液室
master cylinder reservoir
主缸活塞单向阀
master cylinder piston check valve
主缸储液罐
master cylinder reservoir
主缸活塞回位弹簧
master cylinder piston return spring
主缸手动操作
master cylinder manual operation
主缸推杆端隙
master cylinder push rod end play