皮皮学，免费搜题
登录
搜题
【简答题】
曲柄摇杆机构出现死点，是（ ）以作主动件，此时机构的角等于零。
手机使用
分享
复制链接
新浪微博
分享QQ
微信扫一扫
反馈参考答案：
举一反三
【简答题】阅读短文，回答问题。 John is hungry. He'd like some beef and rice for lunch. But there is no beef in the fridge. There is only fish. After lunch he eats pears. They're John's favourite fruit. 1. Who is hungry? ...
【简答题】English to Chinese For my sons there is of course the rural county of fresh-grown vegetables, line-caught fish and the shared riches of neighbor ’ s orchards and gardens. There is the unpaid baby-sitt...
【简答题】(三) What would you think if you saw a fish walking? Would you look again i__1_ you saw a fish climbing a tree? There is a fish that does both of these things. It is c __ 2 _ the tree-climbing fish. It...
相关题目：
参考解析：
知识点：
题目纠错 0
发布
