Autodesk Revit Structure

[#1]

I have question when i am doing reinforcement and then tag the reinforcement the text is like this S12 @ 200.

But i whant to get this @ symbol as C as center?? do anybody have some advice for my

[#2]

You should be able to select the tag and then edit the tag family. This should be a label in the family.

Not sure I'm understanding your complete problem.