The effects of the amount of solvent the grain size of sand,and the catalytic time on the core strength in the cold box process have been studied with the self-made testing equipments.
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美
释义
本文用自行设计制造的试验装置研究了溶剂量、砂子粒度及通催化气时间对冷芯盒法型芯强度的影响。
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