The results show that the re oxidation temperature of VPO catalyst is very important to n butane selective oxidation to MA operated under unsteady state mode.是什么意思_The results show that the re oxidation temperature of VPO catalyst is very important to n butane selective oxidation to MA operated under unsteady state mode.在線(xiàn)翻譯_英語(yǔ)_讀音_用法_例句