Na Machị 26, 2023, Hangzhou Hanpai Mold Technology Co., Ltd kpọrọ Prọfesọ Ling Guoping sitere na School of Materials of Zhejiang University, Shen Liang, onye injinia dị elu sitere na Hangzhou Institute of Mechanical Science, Fang Jianjun, osote onye isi njikwa Liyang Ji ...
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