The FT-IR spectra show that the coordinating pattern of the carboxyl groups in the complexes is the form of tridentate chelating-bridging.是什么意思_The FT-IR spectra show that the coordinating pattern of the carboxyl groups in the complexes is the form of tridentate chelating-bridging.在線(xiàn)翻譯_英語(yǔ)_讀音_用法_例句