The utility model is characterized in that a steel wire rope sheave wheel which is driven by an electric motor speed variator (2) is provided with a closed steel wire rope.
【技术实现步骤摘要】
【技术保护点】
【技术特征摘要】
还没有人留言评论。发表了对其他浏览者有用的留言会获得科技券。