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  • “polypropylene”的英英意思

    “polypropylene”的英英意思

    单词 polypropylene 释义 polypropylene|plprplin|[f. poly- + propylene. Cf. F. polypropylne (Berthelot 1867, in Jrnl. de Pharm. et de Chim. VI. 31).]Any of the polymers of propylene, which include a number of thermoplastic materials widely used as films, f...

    2025-07-28