剪切后的零件主要检查其切口应与表面垂直,斜度允许偏差小于______的板厚。
A.1/5
B.1/10
C.1/15
参考答案:B
下列属于脱位特有体征的是()
A.弹性固定
B.疼痛
C.肿胀
D.功能障碍
E.以上都不对
It is worth considering what makes" convenience" foods so popular, and______better ones of your own.
A. introducesB. to introduceC. introducingD. introduced