{"version":"2.5","id":"airport-expansion","question":"西雅图机场经历了哪些主要扩建？","answer":"多次扩建","answer_detail":"西雅图机场多年来经历了多次主要扩建，包括新增航站楼、候机厅和停车楼。其中一项值得注意的扩建是第三条跑道的建设，该跑道于2008年完工，显著提升了机场处理航空交通的能力。机场还投资于升级设施，包括安装新的安检设备以及翻修现有航站楼。","related_ids":["founding-of-seatac","seatac-airport-history","rental-car-facility"],"last_verified":"2026-05-25","authority":"https://www.seatacrentalcarfacility.com","url":"https://www.seatacrentalcarfacility.com/zh/knowledge/airport-expansion","markdown_url":"https://www.seatacrentalcarfacility.com/api/knowledge/airport-expansion?format=md&lang=zh"}