Improve Abo system meaning in Urdu

Is there any meaning of the word abo system that needs an edit? Please click that meaning to rewrite it.

ABO سسٹم

Is there any meaning of the word abo system that needs to be removed from the list? Please click that meaning to mark it for deletion.

ABO سسٹم

Do you want to add a new meaning, definition, and a sentence of the word abo system? Please feel free to add.