从这一阶段开始，该解决方案就适用自底向上的方法了，这意味着这个逻辑数据模型中仅仅将最重要和紧迫的业务主题领域锁定为目标。
Starting from this stage, this solution is adapting the bottom-up approach, which means that only the most important and urgent business subject areas are targeted in this logical data model.
所以自锁型气弹簧在保持了自由型气弹簧功能的同时，还可以在行程的任一位置锁定，而且锁定后还可以承载较大的负荷！
Therefore, the self locking type air spring has the function of maintaining the free type gas spring, and can also be locked at any position of the stroke!
其实所谓的自锁型气弹簧也好调角器也好，都是一种可以在行程任一位置锁定的气弹簧。
In fact, the so-called self locking type gas spring or Angle or is a kind of air spring can be locked in any position of the stroke.
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