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| 文档标题： | 液压千斤顶 |
| 发布时间： | 2025-05-27 04:32:03 |
| 文档简介： | 千斤顶是材料处理设备，使用强制乘法来抬起或移动重载。 The term jacks can refer to a variety of lifting devices that employ leverage and other methods of mechanical advantage to amplify an applied force to provide the ability to transport a |