短语词组短语Lens -barrel Suspension Design 镜筒悬挂设计curved lens barrel roof 筒形屋顶lens barrel length 筒长lens barrel tumbling 滚桶打光large lens barrel diameter 跟焦系统与大镜筒口径lens barrel roof 筒形屋顶Lens barrel and camera 发明名称 返回 lens barrel