???? ??? ?? ???? ??? ???? ??? ???. ?? ?? ???? ?? ???? ??? ??? ???? ???? ??? ??? ??? ????.CVT transmissions can final just provided that standard transmissions If they're appropriately preserved. On the other hand, they can be more expensive to restore if some thing goes Improper.Some cone CVT types use two rollers.[22][23] In 1903, William Evans an