自此，西门子一直作为广州地铁的项目合作伙伴，包括“交钥匙”工程、信号系统、地铁列车、电气化与牵引系统及产品。
Since then, Siemens has always been the project partner of Guangzhou metro in terms of turnkey project, signalling systems, metro cars, electrification and propulsion systems and products.
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