Intermediate relay is a type of control undervoltage relay which is used to add the amount of control signal or amplify the signal.

在自动化控制系统中采用大量的中间继电器，其工作的可靠性对控制系统工作的可靠性是至关重要的。

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Intermediate relay is a type of control undervoltage relay which is used to add the amount of control signal or amplify the signal.

在自动化控制系统中采用大量的中间继电器，其工作的可靠性对控制系统工作的可靠性是至关重要的。

youdao