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hieut1256
2 năm trước
Vì sao máy điều hòa thường được lắp ở trên cao mà ko đặt ở dưới đất? A : để tạo ra các tia trong không khí . B : nhiệt truyền từ máy điều hòa đến không khí trong phòng bằng hình thức dẫn nhiệt. C: để tạo ra các tia bức xạ nhiệt trong không khí và chân không D: để tạo ra ra thành dòng đối lưu trong không khí.
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