压缩模与注射模的结构区别之一在于压缩模()。
A.有成型零件,没有加料室
B.有导向机构,没有加热系统
C.有加料室,没有支承零部件
D.有加料室,没有浇注系统
参考答案:D
Choose and fill in the blanks. 选择合适的单词填空。
1. Yesterday I (talk talked) to my mother.
2. A: What (happened happed)?
B: I (hurt hurted) my nose.
3. Yesterday they (have had) lunch (on at) 12:00 (of in) a restaurant.
4. A: Do you like to play ping-pong?
B: Yes, I (do did).
5. I (see saw) a lot of new houses ______ (on in) our way (to from) Beijing.
延安《解放日报》改版取得了哪些成就?