Đưa 2 hệ thống đèn tín hiệu giao thông sử dụng pin năng lượng mặt trời đầu tiên vào hoạt động
Cập nhật: 15:57 29/01/2018 GMT+7
(QT) - Sở Giao thông Vận tải vừa đưa 2 hệ thống đèn tín hiệu giao thông sử dụng pin năng lượng mặt trời đầu tiên vào hoạt động tại ngã tư Hùng Vương - Nguyễn Huệ và ngã năm Lê Lợi - Ngô Quyền - Tôn Thất Thuyết, thành phố Đông Hà.
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