图3—6所示铰链四杆机构中,机架ιAD=40mm,两连架杆长度分别为ιAB=18mm 发布时间:2019-03-21 12:03 │ 来源:www.tikuol.com 题型:问答题 问题: 图3—6所示铰链四杆机构中,机架ιAD=40mm,两连架杆长度分别为ιAB=18mm和ιCD=45mm,则当连杆ιBC的长度在什么范围内时,该机构为曲柄摇杆机构?
题型:问答题 (2013·天津,1)—I'm going to Venice next week.—________.Carnival will be held then.Have fun!A.You're crazyB.You're luckyC.You'd better notD.You never know 查看答案