relay circuitry的例句大全

However, the traditional traffic signal lights are usually controlled by electric circuitry and relay. Also few of them are constructed by PLC. These configurations are complex with low reliability.

而传统的交通信号灯一般采用电子线路和继电器进行控制，也有少数采用可编程控制器（PLC）构成，结构复杂，可靠性低。

adding a solid-state relay and control circuitry to an amplifier's output provides overvoltage protection.

为放大器输出增加晶体继电器和控制电路，提供保护。

voltage clamping. the circuitry necessary to protect relay contacts from excessive voltage caused by switching current into inductive loads.

电压箝位为保护继电器触点不受切换至感性负载的电流引起的太大电压损坏所必须的电路。

Current Surge Limiting. The circuitry necessary to protect relay contacts from excessive transient current.

电流浪涌限制保护继电器触点不受太大瞬间电流损坏的必要电路.