比较烧结和球团两大造块方法在固结机理上的区别。
参考答案：烧结：液相固结机理，球团：固相固结机理。
The teacher told the students____ any food into the computer room. [ ]
A. not to bring
B. not bring
C. don't bring
D. do bring not
治疗口眼斜首选的腧穴是（）
A.阳溪
B.合谷
C.商阳
D.手三里
E.曲池
