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n.工艺学校；聚酯纤维；abbr.聚乙烯（全称polyethylene）； 变形： 复数：polys 英英释义： PolyPoly(p-phenylene oxide) (PPO) or poly(p-phenylene ether) (PPE) is a high-temperature thermoplastic. It is rarely used in its pure form due to difficulties in processing.以上来源于:Wikipedia
