In order to improve the photocatalytic activities of titanium, nano-SnO2 can be used to wrap TiO2, and only when the TiO2 wrapped by more than 5% SnO2, the enhancement of photocatalytic activities is remarkable.是什么意思_In order to improve the photocatalytic activities of titanium, nano-SnO2 can be used to wrap TiO2, and only when the TiO2 wrapped by more than 5% SnO2, the enhancement of photocatalytic activities is remarkable.在線(xiàn)翻譯_英語(yǔ)_讀音_用法_例句