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雪地旅行要防冻伤严冬时节去北方寒冷地区旅行,看一看冰天雪地,自有一番情趣。但如果准备不充分或对寒冷估计不足,在天寒地冻的环境中滞留时间过久,就可能发生冻伤。在医学上根据其损伤的程度分为冻疮、冻伤和冻僵。冻伤和冻僵多发生于登山运动员或雪地旅行在大风大雪中迷失方向后,长久在严寒中滞留或奔走者。所以,凡到寒冷地区旅行的人,都要事先做好防寒保暖防冻的准备;了解要去之地的寒冷程度。了解一些实用的防冻知识,准备一些
Snow travel to frostbite injury Winter season to travel to the northern cold areas, take a look at the ice and snow, its own taste. However, frostbite may occur if it is not prepared adequately or underestimated in the cold, and spent too long in cold weather. In medicine according to the extent of their damage is divided into frostbite, frostbite and frozen. Frostbite and frozen stiff occurred in mountaineers or snow travel in the wind and snow lost after the long stay or run in the cold who. Therefore, all those who travel to the cold areas, should be prepared in advance for warm and cold frost protection; understand the level of cold to go. Learn some practical antifreeze knowledge, prepare some