Additionally, the bicycle features a static inner wheel system with safety features such as integrated reflectors on the rotating outer wheels and a taillight, which is mounted in the bike's frame.
此外，自行车功能静态内轮系统的安全功能，如集成的反光板的旋转外车轮和尾灯，这是安装在自行车的框架。
Host drive system of machine tool is composed of stepless shift components, gearbox of worm wheel, saw frame, worktable, fastening piece, feeding and hydraulic equipments.
加工机床主传动系统由无级变速机构、蜗轮减速箱、锯架、工作台及紧固件、送料装置和液压机构等组成。
Through the drive axle housing, the tractive force, braking force and lateral force act on the wheel transfer to the suspension system, frame or carriage.
作用在驱动车轮上的牵引力、制动力和侧向力，也是经过桥壳传到悬挂及车架或者车身上。
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