Collapse Tree Node 折叠树节点
For some edit actions, change the node (for example, change label, collapse node, and so on).
针对某些编辑动作，更改节点(比如，更改标签、折叠节点等)。
There are methods that let you expand and collapse each node.
并且还有各种方法让您能扩展和折叠每个节点。
The node disc collapse failure often appealed because of multiple nodes of system and long running time.
由于系统节点多，使用时间长，节点硬盘崩溃故障时有发生。
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