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单词 polypropylene
释义

WordReference Random House Unabridged Dictionary of American English © 2024
pol•y•pro•pyl•ene  (pol′ē prōpə lēn′),USA pronunciation n. [Chem.]
  1. Chemistrya plastic polymer of propylene, (C3H5)n, used chiefly for molded parts, electrical insulation, packaging, and fibers for wearing apparel.
  • poly- + propylene 1930–35

Collins Concise English Dictionary © HarperCollins Publishers::
polypropylene /ˌpɒlɪˈprəʊpɪˌliːn/ n
  1. any of various tough flexible synthetic thermoplastic materials made by polymerizing propylene and used for making moulded articles, laminates, bottles, pipes, and fibres for ropes, bristles, upholstery, and carpets
    Systematic name: polypropene
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