在滑阀制造过程中,四个工作边是最困难的工序,所以在加工工艺过程中加入三道磨槽工序。
参考答案:对
单词拼写。
1. John had a g_______ look on his face after the accident.
2. Her dedication to her work was a_________.
3. She's been ______( 故意地) ignoring him all day.
4. The doctor will see you again next week. _______( 其间) ,you must rest as much as possible.
5. He has ______( 照相) some of the world's most beautiful women.
6. I have recently a_________a taste for lives.
7. We were friends and _______( 同事 ) for more than 15 years.
8. We'll a ______ you in finding somewhere to live.
9. Completed projects must be s_______ by 10 March.
10. It's about time we ________ (更新) our software.
皮损为针头大小丘疹或水疱,对称分布于指缝、腕屈侧、小腹、大腿内侧,奇痒难忍的是()
A.圆癣
B.接触性皮炎
C.药疹
D.疥疮
E.湿疮