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1964年4月30日,晚上8点,年仅30岁的六级车工原公浦穿上笨重的防护服,戴上特制口罩,套上双层乳胶手套,走上这台机床的操作台前。他面对的,是数万人花费了10年的精力得到的唯一一颗原子弹核心部件—铀球。而他要做的,是把它加工成误差不超过一根头发丝1/5的精度要求。车床开动,在机床的丝丝切割声中,所有人都在屏住呼吸目不转睛地盯着切割刀靠近那颗铀球。突然,只听“当”的一声,铀球在众目睽睽之下竟然从夹具上掉了下来,因为机床的真空吸盘出了点
On April 30, 1964, at 8 pm, only 30-year-old six-level mechanic, Gong Pu, wore bulky protective suits, put on special masks, put on double-layer latex gloves and walked onto the front of the operating table of this machine tool . He faced only the uranium pellet, the only atomic bomb core that tens of thousands of people spent 10 years trying to get. What he has to do is to make it to an accuracy of one-fifth the error of one hairline. Lathe start, in the slightest sound of the machine tool, everyone is holding his breath staring at the cutter blade close to that uranium ball. Suddenly, just listening to the cry of the uranium ball falling from the fixture under the watchful eyes, because the vacuum sucker of the machine went out