| 1. | The public lighting system generally consists of conventional road lighting , village lighting , gantry sign lighting , roadside directional sign lighting and the associated network of cables , ducts and peripheral items
公共照明系统一般包括传统的街道照明设备乡村照明设备高架道路标志照明设备路旁路线指示标志照明设备及相关的电缆管道及附属装置。 |
