Study on Performance of Digital Extrusion Gradient Sand Mold and Distance of Supplementary Pressure
JIANG Erbiao, SHAN Zhongde, CHENG Guang, YANG Haoqin
China Mechanical Engineering . 2023, (01): 118 -125 .  DOI: 10.3969/j.issn.1004-132X.2023.01.014

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