剪切变形表现为杆件两部分沿()作用方向发生相对的错动。 A.外力 B.重力 C.内力 发布时间:2018-08-19 09:35 │ 来源:www.tikuol.com 题型:单项选择题 问题: 剪切变形表现为杆件两部分沿()作用方向发生相对的错动。A.外力B.重力C.内力D.地球引力
题型:单项选择题 —_______ he managed to solve the problem?— Oh,he turned to Professor Lee for advice.[ ]A.Was it how that B.Was it that howC.How was it that D.How it was that 查看答案