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5 عناصر أساسية لتجميع المكيفات المركزية بالدمام
???? ???? ????? ?????? ??????? ????? ??????? ??? ???? ?? ???? ??????? ??? ??? ??????? ???? ???? ??????? ???? ?????? ?? ?????? ??????? ??? ???????.?? ????? ?????? ????? ??? ??????? ????? ??????? ??? ????? ????? ????? ??????? ????? ?? ???????? ??????? ????? ?????? ???? ???? ???? ????? ?????? ?????? ???? ??????? ??? ???? ???????? ????? ??? ?????? ????