- hemiformal
- n.半缩甲醛
English-Chinese dictionary of mining (英汉矿业大词典). 2013.
hemiformal
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Polyoxymethylene plastic — Polyoxymethylene (POM), in the USA also commonly known under DuPont s brand name Delrin, is an engineering plastic, a polymer with the chemical formula ( O CH2 )n . It is often marketed and used as a metal substitute. Delrin is a lightweight, low … Wikipedia
Polyoxymethylene — Other names Poly(oxymethylene) glycol; Polymethylene glycol … Wikipedia
