benzaldehyde的例句（benzaldehyde在句子中的用法）

• Pitch resin was synthesized from benzaldehyde and heavy oil residue. 利用纯芳烃原料和重质渣油研制的沥青树脂具有优良的耐热性.
• Natural benzaldehyde is prepared by hydrolysis cassia leaf oil. 从桂叶油出发,通过碱性水解制备天然苯甲醛.
• Based on the reactions , this paper reports research for synthesizing benzaldehyde. 简要介绍以此类方法对合成苯甲醛的研究.