论文部分内容阅读
2、取火 火是野外生存不可缺少的必需品。当同学们在野外迷失了方向,或不可能在天黑之前到达目的地,火可以帮助同学们摆脱困境,甚至挽救生命。倘若同学们在野外没有了火种,而又必需火时,同学们就得利用野外就地取火的知识来获得火。这里给同学们介绍几种常用的野外就地取火办法。找到火种后,同学们就一定要在夜间点起火堆,以驱赶野兽和烘烧食物。 A、用放大镜(凸透镜)透过阳光聚焦照射易燃的引火物取火。同学们在野外可以利用腐木片、衣服上抽出的布线、撕成薄片的干树皮和干木屑等作引火物,当然最好的引火物是汽油
2, take the fire is indispensable for the survival of the wild necessities. When students lose their way in the wild, or can not reach their destination before dark, the fire can help their students get out of their plight and even save lives. If the students did not fire in the wild, and when the need for fire, students have to use the field to get the knowledge of fire to get the fire. Here to introduce students to several commonly used field fire method. After you find the fire, your classmates must start a fire at night to exorcise the beast and cook the food. A, with a magnifying glass (convex lens) through the sunlight focused flammable primer fire. Students in the wild can use the rotten wood, clothes out of the wiring, torn thin slices of dry bark and dry sawdust and other materials for the fire, of course, the best primer is gasoline