了解零件、选主视图、确定表达方案是()的步骤。
A.画零件图
B.加工零件
C.安装设备
D.测量零件
参考答案:A
The famous writer described the scene very carefully, making it difficult for you to tell which the fact is and which ________ is.[ ]
A. imagine
B. fantasy
C. difference
D. combination
骨折急性处理时,妥善固定的目的,哪一项是错误的()
A.为了试行定位
B.避免搬运时骨折端刺伤重要血管神经
C.防止搬动时疼痛
D.有利于防止休克
E.便于运输