双语例句
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It is introduced a new type of macromolecular phenolic high temperature antioxidant(PNX).
介绍了一种新型酚类大分子高温抗氧添加剂（PNX）。
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It is introduced a new type of macromolecular phenolic high temperature antioxidant ( PNX ).
介绍了一种新型酚类大分子高温抗氧添加剂 ( PNX ).