abbr. 光纤
室（Fiber to the Office）
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dicyanamide, dicyandiamide, dicyandiamidine, dicyanide, dicyanobutylene, dicyanogen, dicyanopropane, dicycle, dicyclic, dicyclohexyl,
相似单词
FTSE, FT-SE, FTTB, FTTC, FTTH, FTTO, FTV, FTW, FTX, fub,