安装新的闪光继电器需要专业技能。

Installing a new flicker relay requires professional skills.

闪光继电器用于交通信号灯控制系统。

The flicker relay is used in traffic signal control systems.

维修人员检查了闪光继电器的工作状态。

The maintenance personnel checked the operation status of the flicker relay.

当电路出现故障时，闪光继电器会自动启动。

When there is a fault in the circuit, the flicker relay will automatically activate.

这个系统依赖于高质量的闪光继电器。

This system relies on high-quality flicker relays.