A drone photo taken on Jan. 10, 2024 shows an unveiling ceremony of the tunnel boring machine (TNM) Dinghai at an industrial park of China Railway Construction Heavy Industry Corporation Limited in Ch
Enjoy life, Inspiring work
Enjoy life, Inspiring work
A drone photo taken on Jan. 10, 2024 shows an unveiling ceremony of the tunnel boring machine (TNM) Dinghai at an industrial park of China Railway Construction Heavy Industry Corporation Limited in Ch