济南地铁4号线启动全线动车调试

Group 1 - The core point of the news is that the comprehensive dynamic debugging of Jinan Metro Line 4 has officially started, marking a significant milestone in the construction process, with basic functions already achieved to support full automatic operation after debugging [2] - Dynamic debugging is described as the final checkpoint before trial operation, involving deep collaborative testing of over ten systems, ensuring precise coordination among all components [3] - To mitigate the impact of adverse weather conditions on debugging progress, the Jinan Rail Transit Group has organized a special task force to provide comprehensive support, ensuring timely response and resolution of issues [5] Group 2 - As of now, all 33 stations of Line 4 have completed the main structural topping out and have entered the post-station construction phase, with installation of electromechanical equipment and station decoration underway [6] - The construction is being accelerated while ensuring safety and quality, aiming for the line to be operational by the end of the year [6]