The experimental results show that, the major products are ethylene, propylene and butylene, with small amount of methane, ethane, propane, butane and C5 hydrocarbons.是什么意思_The experimental results show that, the major products are ethylene, propylene and butylene, with small amount of methane, ethane, propane, butane and C5 hydrocarbons.在線(xiàn)翻譯_英語(yǔ)_讀音_用法_例句