Duplication of bands in this region is also shown by trifluoropropyne and perfluoro 2 - butyne.
三氟丙炔和全氟丁炔 -2 在这个区域也出现双重谱带.
辞典例句
Duplication of bands in this region also shown by trifluoropropyne and perfluoro 2 - butyne.
三氟丙炔和全氟丁炔 -2 在这个区域也出现双重谱带.
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