如图所示,活塞杆AC以匀速v向上运动,通过长为l的连杆AB带动滑块B沿水平直槽运动, 发布时间:2017-04-16 04:54 │ 来源:www.tikuol.com 题型:单项选择题 问题: 如图所示,活塞杆AC以匀速v向上运动,通过长为l的连杆AB带动滑块B沿水平直槽运动,当θ=30°时,滑块B的速度为()。A.AB.BC.CD.D
题型:单项选择题 In relation to the Enterprise Bankruptcy Law of China:(a) state the various circumstances under which a creditors’ meeting shall be held; (4 marks) 查看答案