未分类题

问题： 1．机器与机构的区别是什么? 2．机器的生产过程包括哪些内容?

A.机器与机构的区别是什么?
B.机器的生产过程包括哪些内容?

【参考答案】

1．机器与机构的区别在于：机器能实现能量的转换(如内燃机、发电机和电动机)或代替人的劳动去做有用的机械功(如起重机、机床......

(↓↓↓ 点击下方‘点击查看答案’看完整答案 ↓↓↓)
<上一题 目录 下一题>
热门 试题

单项选择题
83.我国会议产业受到政府的政策性扶持，对会议业的发展起到了举足轻重的作用。 A、正确 B、错误
未分类题
You have read the following ad about a training coursE.You are interested and want to get more information about it． Business Writing and Grammar Skills Made Easy and Fun! Are your business documents as correct，polished and professional as you’d like them to be?If not，you’ll benefit from this exciting two-day workshop． Registration fee：$100．The first 5 get an Express Admission Ticket at$30 discount． Location：Buswell Company 7 South Avenue，Powell，Harrisonburg Program hours：9：00 A.m．t0 4：00 P．m．each day from June 27 to 28 Contact US at support@trainup．cornWrite an email to the above email address， 1)expressing your interest in the course； 2)asking about class size，materials for use，trainer information，etC.You should write about 100 words．Do not sign your own name at the end of your email． Use“Wang Lin”insteaD.
A.You
B.The
C.m．t0
D.m．each
E.corn
F.Do
相关试题