题目内容

读零件图要先读_____，从中可了解零件的名称、材料、比例等信息。

查看答案

搜索结果不匹配？点我反馈

更多问题

分析表达方案，是为了弄清各表达方法所表达的内容，有助于了解零件的形状。（）

A. 对
B. 错

一个充满电的电感,其特性类似于()。

A. 理想电压源
B. 理想电流源
C. 电流源开路
D. 电压源短路

电感在电路中具有储能作用,可以将电能转化为电场能储存起来。

A. 对
B. 错

Part I Writing (30 minutes)Directions: For this part, you are allowed 30 minutes to write a short essay on the following question. You should write at least 120 words but no more than 180 words.Suppose a foreign friend of yours is coming to visit your compus, what is the most interesting place you would like to take him/her to see and why?