New type phenol resin and its process development are briefly introduced in this paper.
本文简单介绍了国内外新型酚醛树脂及其复合材料工艺的进展情况.
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Properties of modified phenol resin , precoated sand preparation and property test have been narrated.
摘要叙述了改性酚醛树脂的性能 、 及膜砂制备配方及其性能测定.
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