Quickly open the right nostril by closing the left nostril and repeat the procedure.
通过堵住左鼻孔，快速打开右鼻孔，然后重复这一过程。
Same as the above procedure, closing measure is also required after the establishment.
同样，临时水准点设立后，亦须经过闭合测量。
Same as the above procedure, closing measure is also required after the establishment.
同样，临时水准点设立后，亦须经过闭合测量。
应用推荐