问题题干答案解析相关问题热门问题最新问题

问题详情

若将空气阻尼式时间继电器由通电延时型改为断电延时型需要将。

A、延时触头反转180°

B、电磁系统反转180°

C、电磁线圈两端反接

D、活塞反转180°

时间：2022-04-02 00:30 关键词：大连工业大学机电一体化技术高起专数控技术作业1

答案解析

B

相关问题

boost的意思是:help or encourage to increase or improve
eloquent的意思是:fluent or persuasive in speaking or writing
A campus emergency ______ occur at any time of the day or night, weekend, or holiday, with little or no warning.
A cabinet or space containing the controls or valves for the fixed firefighting system must be（）.
A cabinet or space containing the controls or valves for the fixed firefighting system must be（）.