preferably 在翻译中如何处理?(关于生物柴油)? The products are produced by a single-step hydrodeoxygenation/hydroisomerization of vegetable oil. Triglycerides of fatty acids contained in the vegetable oil are deoxygenated to form normal C 8 to C 18 paraffins, which are hydroisomerized in the same stage to form various isoparaffins. Minor cyclization and aromatization to alkyl cyclohexane and alkyl benzene may also occur. The deoxygenation prefera bly comprises removal of oxygen in the form of water and carbon oxides from the triglycerides. Hydrocracking is inhibited, so as to maintain the range of carbon number of hydrocarbons formed in the range of C 8 to C 18 . 关于生物 柴油 的生产介绍。重点理解 preferably 这个词。如果能试译一下全段更好,本人给加分。欢迎大家通过翻译学英语。 查看更多7个回答 . 2人已关注