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。
The basic program is that in the wiper circuit the power transistor and relay are connected in series to perform drive control.
主要方案是，在刮水装置回路中串接功率三极管或继电器实行驱动控制。
The basic program is that in the wiper circuit the power transistor and relay are connected in series to perform drive control.
主要方案是，在刮水装置回路中串接功率三极管或继电器实行驱动控制。
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