55 flights sounds right, otherwise, 10 flights per hour will make

55 flights sounds right, otherwise, 10 flights per hour will make

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送交者: steven 于 2009-09-29, 18:34:37:

回答: 他说的是火车。不过北京到上海的航班更多，从早到晚一天55班由方舟子于 2009-09-29, 15:28:14:

it 120 flight a day just considering 12 hr work day.