问题
填空题
挤出机的螺杆工作部份分三段,加料段的螺旋槽是();压缩段的螺旋槽主要是加热;均化段的螺旋槽主要是备料但不挤出。
答案
参考答案:供料
挤出机的螺杆工作部份分三段,加料段的螺旋槽是();压缩段的螺旋槽主要是加热;均化段的螺旋槽主要是备料但不挤出。
参考答案:供料
补全对话
A; You look smarter than you are in the films. B; ______________小题1:_______________________ A; When did you become an actor? B; _________________小题2:______________________________ A;________________ 小题3:__________________________________ B; Because I like acting. A; Do you think it is a hard job to be an actor? B; Yes, I think so.________ 小题4:______________________ A; Do you live with your family? B; No,___________ 小题5:________ . But I often make phone call to my parents or send e-mails to them. A; I hope you are more successful. B; Thanks a lot. |