分析家们担心超出承受能力的空中交通控制系统会接近爆点。
Analysts fear the overstretched air traffic control system could reach breaking point.
定期航班的数量使空中交通控制系统受到压力。
The volume of scheduled flights is straining the air traffic control system.
中国陈旧的空中交通控制系统更是雪上加霜。
China's older air-traffic-control systems exacerbate the delays.
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