一、点、线、面及综合题 二、截交线与相贯线 三、投影变换 四、组合体的视图 五、机件常用的表达方法 六、零件图 七、装配图

L Language Structures(1 20=20 points) Directions: Choose the item that best completes each of the following sentences. When Grandma Wang became ill, the girl often A fitted in B worked out C held back D helped out

武汉工程大学：《综合英语》（英文版） Part Reading Comprehension

1. Be careful while crossing the street. to knock to be knocked C being knocked to have knocked

1. You still have a lot _if you'll forgive my A)to learn/saying B) learning/saying C) learningto say D) to learn/to say 2. There is no point to persuade him to do anything A)to try B)in trying C)of trying

1. The priest wore a woolen garment next to his skin. A. coarse B. rude C. vulgar D. obscene

Part I Vocabulary (0.5*40-20) If you are not your parents will probably be annoyed with you A. current B accepta

一、概念题 二、结构分析 三、轮系 四、齿轮 五、凸轮 六 、运动 七、连杆 八、调节

缺点： ① 制造和安装精度要求较高； ②不适宜用于两轴间距离较大的传动

一、棘轮机构的工作原理 二、棘轮机构的类型、特点和应用