单项选择题

在热电偶测温回路中，如果显示仪表和连接导线两端温度相同，将其接入后热电偶的总电势势值（）

A.增大
B.减小
C.不变
D.无法确定

<上一题目录下一题>

热门试题

判断题

装卸搬运本身并不产生价值。

单项选择题

Porter's company has decided to let employees use instant messaging (IM) as an internal communication tool, and she wants to make sure that she's using it professionally. What should she do? A、 Make sure she's available via IM at all times so that her colleagues can always reach her. B、 Include both professional and personal contacts on the same IM contact list for efficiency. C、 Respect her receivers by using proper grammar, spelling, and proofreading in her instant messages. D、 Create an imaginative IM name for herself such as PrettySmart1.

相关试题