螺杆式电梯是将推力轴承的大螺母水平置于油缸顶，然后通过减速机将这个大螺母左右转动，使 发布时间：2017-11-23 16:20 │ 来源：www.tikuol.com 题型：判断题 问题： 螺杆式电梯是将推力轴承的大螺母水平置于油缸顶，然后通过减速机将这个大螺母左右转动，使轿厢上升或下降的电梯。
题型：判断题 Being both spoiled and lazy, he______everyone else for his lack of success.A．accusedB．chargedC．criticizedD．blamed 查看答案
题型：判断题 By looking at a problem in as many ways as possible , creative thinkers can find solutions that would remain invisible .A．otherwise B．yetC．already D．forever 查看答案