问题详情

对电动机三地或多地控制,只要把各地的起动按钮常开触点_、停止按钮常闭触点_。就可以实现。


时间:2021-07-17 23:09 关键词:

答案解析

<span style="font-size:10.5pt;font-family:宋体; mso-bidi-font-family:&quot;Times New Roman&quot;;mso-font-kerning:1.0pt;mso-ansi-language: EN-US;mso-fareast-language:ZH-CN;mso-bidi-language:AR-SA">并联</span>,<span style="font-size:10.5pt;font-family:宋体; mso-bidi-font-family:&quot;Times New Roman&quot;;mso-font-kerning:1.0pt;mso-ansi-language: EN-US;mso-fareast-language:ZH-CN;mso-bidi-language:AR-SA">串联</span>