题目内容

The child____(stand)over there is my brother.

查看答案

搜索结果不匹配？点我反馈

更多问题

The room___(face) south is our classroom.

He is an___(advance) teacher.

杆件的基本变形形式有四种：轴向拉伸或、、剪切、。

扭矩的正负可用确定