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单词 polyvinyl chloride
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polyvinyl chloride
polyvinyl chloride n. any of various thermoplastic polymers in which the repeating unit is the group —CH2—CHCl—, made by polymerizing vinyl chloride and produced in a wide variety of rigid and plasticized forms characterized esp. by their toughness, chemical inertness, and electrical resistivity; abbreviated PVC.extracted from polyvinyln.
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更新时间:2025/1/11 15:23:14