To Export the Properties From one Dimension to Another Dimension
In the drawing area, double-click the dimension text of the dimension you want to export from. AutoCAD Mechanical displays the dimension text within the dimension in-place editor.
Click Power Dimensioning tabReuse panelCopy From drop-down Apply to.
Click the dimension you want to export to.
In the Properties dialog box, set the parameters to export.
Click OK.
Click Power Dimensioning tabClose panel Close Editor.