论文部分内容阅读
从“百炼成鋼”谈起自古以来,人们都认为,必须經过千錘百炼,去粗取精.才能得到质地很純的优质鋼的,所以有“百炼成鋼”的說法。现在看来,这句話不完全正确。因为鋼液会吸收
From the beginning of the past, people believe that it is necessary to go through rigorous refinement to get fine quality steel. In order to obtain a pure texture of high-quality steel, so there is “a hundred refining into steel” argument. It now appears that this sentence is not entirely correct. Because the liquid will absorb