一支登山队要攀登一座知名雪山,想把他们的足迹留在峰顶上。于是,这支登山队开始了登山前的准备。食品、药品及其他登山器材都备齐了,这时,有一位专家提醒说,别忘了多带几根钢针,因为在高寒的雪山上,燃气炉的喷嘴极易堵塞,需要用钢针来疏通。一位老登山员负责携带钢针,但是, A climbing team to climb a well-known snow-capped mountains, want to leave their footprints on the peak. As a result, the climber started preparing for climbing. At this time, one expert warned that do not forget to bring a few more steel needles, because in the alpine snow-capped mountains, gas stove nozzle is very easy to plug, you need to use steel needles To clear. An old mountaineer is responsible for carrying the needle, however,