最佳答案:If there hadn't been a typhoon last week,we would have shipped the goods on time
最佳答案:高分子化学及工艺、化工仪表及自动化、化工设备基础、化工工艺概论、化工反映过程及设备、化工腐蚀与防护、化工技术经济 Polymer chemistry and c
最佳答案:手动翻译的,希望对你有用.Be able to design and operate the multi-step organic synthesis reac