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A manufacturing process of high performance coated sand phenolic resin was introduced.
介绍了一种高性能覆膜砂用酚醛树脂的制作工艺.
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A sort of chilled nodular iron camshaft was developed by adopting resin - coated sand shell casting process.
开发了一种采用树脂砂壳型铸造的激冷球铁凸轮轴.
英汉双解词典包含4367426条英汉词条，基本涵盖了全部常用单词的翻译及用法，是英语学习的有利工具。