大数定位之层进式阶梯倍投法

简介：The key to the first step is to find the two saphenous meridians of the hands. These two meridians are hidden and not obvious, and few people in the world know about them. These two saphenous meridians are just above the arteries of the hands. It is difficult to find them, and it is even more difficult to open them. Difficulty, one bad move will damage the blood vessels.