七个数字三中三有多少组简介：While making the spring, many other parts of the Suifa gun had been cast according to his drawings. The first Suifa gun was successfully assembled, but beyond the surprise, another problem also arose.
While making the spring, many other parts of the Suifa gun had been cast according to his drawings. The first Suifa gun was successfully assembled, but beyond the surprise, another problem also arose.
