2025-05-20 00:20 | 0 阅读 The Yangtze Delta Megaregion: Shanghai's 50-Mile Innovation Corridor Reshapes Global Supply Chains Section 1: The Infrastructure Revolution 1. Transportation Networks: - Magnetic levitation freight system (Shanghai-Ningbo route) - Autonomous vehicle highways (G15 Innovation Expressway) - Drone-based last-mile delivery networks 2. D