瑞安东佳机械厂，是一家专业生产包装盒开槽机、地盖制盒流水线的厂家。
Ruian dongjia machinery factory is a special enterprise manufacturing packing box slotting machine up and bottom cover assembly line.
瑞安东佳机械厂，是一家专业生产包装盒开槽机、地盖制盒流水线的厂家。
Ruian Dongjia Machinery Factory is a special enterprise manufacturing packing Box Slotting Machine, Up and Bottom Cover Assembly Line.
在立足于国产制芯原材料的基础上，研究了三乙胺冷芯盒工艺对砂芯性能的影响。
Based on domestic materials used in the Phenolic Urethane Cold Box Process (PUCB), the relationship between core making technique and the properties of core was analyzed.
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