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单词 polyurethane
释义
pol·y·u·re·thane (pŏlē-yrə-thān)
n.
Any of various thermoplastic isocyanate polymers, widely varying in flexibility, used in tough chemical-resistant coatings, adhesives, and foams.

poly·ure·thane adj.
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更新时间:2024/11/11 14:39:58