United Airlines Exec Says There Is a Little Bit More Concern Around Ramp Rates on Boeing 787
联合大陆航空高管表示,对波音787的坡道速率还有一点点担忧。
United Airlines Exec Says There Is a Little Bit More Concern Around Ramp Rates on Boeing 787
联合大陆航空高管表示,对波音787的坡道速率还有一点点担忧。
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