2. Pulley: In mechanics, a wheel that carries a flexible rope, cord, cable, chain, or Belt on its rim.
滑轮:力学上的一种装置,在边缘装有活动绳索、弦、缆、链条或带子的轮。
3. Finally, ensure the belt surround the surface of
pulley in loosen condition, then the
pulley can be disassembled.
最后,确保皮带松弛地环绕在滚筒表面,这时就可以拆卸掉滚筒了。