插杆
The utility model is composed of a land wheel, a driving pin, a driving crank arm, a driving inserted link, a release spring, and a driving ratchet.
它由地轮、传动销、传动拐臂、传动插杆、回位弹簧和传动棘轮组成。
英语网 · 双语娱乐资讯
英语网 · 英语词汇