维护单元 meaning in English

mau maintenance unit
service unit

Automatic resizing enables you to maintain cell sizes so that cell content is never clipped
自动调整大小允许您维护单元格的大小，以便永远不用剪裁单元格的内容。
If you maintain cell values in a custom data cache using virtual mode , automatic sizing occurs when the user edits a cell value but does not occur when you alter a cached value outside of a
如果使用虚拟模式在自定义的数据缓存中维护单元格值，则在用户编辑单元格值时发生自动调整大小，但如果在