If it is high-altitude operations, the device must wear safe installation time. Do anti-corrosion treatment and drainage disposal, can not show the status of leakage.
假如是高空作业，那装置的时分一定需求戴平安安装。做好防腐处置和排水处置，不能呈现漏水的状况。
2
Objective To seek the safe and effective method of expelling coccidian of altitude pika.
目的探求一种安全高效的驱治高原鼠兔球虫的方法。
3
Objective: to probe into the safe time limit of high concentration oxygen therapy in rabbits with hemorrhagic shock in high altitude.