Her literature writing has a penetration into the soul. It gathers an internal force, so it is a female writing contracting in the inner world and shows the perspective of allegorizing narration.
The surface tension, arc blow force and electromagnetic force work positive to improve the penetration, and the buoyancy can increase the width in the middle of weld pool.
表面张力、电弧吹力和电磁搅拌力均有利于获得较大的熔深，浮力有利于增加焊缝中间部位的宽度。
3
To increase life force and battle effectiveness of guided missile the ability of penetration must be improved, and infrared penetration is an important technology.