5·20世界计量日,一起看广州计量人的“工作答卷”
2026-06-11 15:59

China's Kunming-Chengdu freight high-speed rail has been running for over two years since its 2023 launch! These 250km/h non-stop trains depart at 4:30 a.m. daily,法律援助扶贫 新闻网 zipping 1,127km in just 6 hours with specially modified carriages, efficiently shipping Sichuan’s liquor, tea, and Kunming’s fresh flowers.
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