e dang lam co escape2.3 2004 .cai quat giai nhiet co khi no chay hoai,nhung co khi no ngung va chay theo nhiet do cua may,nhung ma no chay rat manh.o co tua chay cham.bac nao co so do duong dien cua quat giai nhiet cho e xin voi cam on cac bac nhieu lam a