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单词 θ216938
释义
society > occupation and work > materials > derived or manufactured material > synthetic resins and plastics > [noun] > types of (3)
phenolic1935

A phenolic plastic or resin.

urea1935

A urea-formaldehyde plastic or resin.

melamine1940

Plastic derived from melamine resin (cf. melamine resin n. at compounds 2); (also) the resin itself. Frequently attributive: made of this plastic.

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