我国的寒区主要是指东北、华北、西北的北部地区。这些地区冬季气温低,风雪多,冻土层厚,江河湖泊冻结。部队在这样的环境中作战,易发生冻伤,伤员易受冻而加重伤情,液体药品易被冻结损坏,伤病员的救护、医疗后送及救护所的展开等都有一 China’s cold area mainly refers to the northeast, north, northwest of the north. Winter temperatures in these areas are low, snow and more permafrost thick, rivers and lakes freeze. The troops are fighting in such an environment where frostbite is apt to occur, the casualties are more susceptible to freezing and aggravating injuries, the liquid drugs are easily frozen and damaged, the wounded and sick patients’ ambulances, medical evacuation and ambulance deploys etc. all have one