The reaction mechanism of photocatalytic oxidation of trichloroethylene (TCE) in gas-phase on TiO 2 film was investigated by FT-IR and GC-MS techniques.是什么意思_The reaction mechanism of photocatalytic oxidation of trichloroethylene (TCE) in gas-phase on TiO 2 film was investigated by FT-IR and GC-MS techniques.在线翻译_英语_读音_用法_例句