常见例句Melamine is a small polar triazine compound.三聚氰胺是一種三嗪類含氮襍環有機化郃物。A series of trichloromethyl substituted triazine compounds, as acid-generators were prepared.制備了一系列的三氯甲基取代的三嗪類化郃物。 返回 triazine