In the control system, operating through the PLC issued a directive, the drive time relay.

在该控制系统中，操作人员通过PLC发出指令，驱动时间继电器。

youdao

In the control system, operating through the PLC issued a directive, the drive time relay.

在该控制系统中，操作人员通过PLC发出指令，驱动时间继电器。

youdao