tetrafluoroethylene
A small market town and civil parish with a town council in north Shropshire, England (OS grid ref SJ5129).
plural of derivationist
without a flue
(organic chemistry) The gaseous unsaturated halogenated hydrocarbon, F₂C=CF₂, that is used as a monomer in the production of polytetrafluoroethylene
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DiQt（ディクト）
無料
★★★★★★★★★★
