在电动机的继电器接触器控制电路中,自锁环节的功能是( )。 -题库考试答案搜索网

在电动机的继电器接触器控制电路中,自锁环节的功能是( )。

单选题

2022-04-02 17:22

A、具 有 零 压 保 护
B、保 证 起 动 后 持 续 运 行
C、兼 有 点 动 功 能

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正确答案

B

试题解析

无.

标签：佳木斯职业学院继续教育学院物联网应用技术高起专电子技术基础平时作业1

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