The trains will barrel along at initial speeds of 190 miles per hour, with plans to accelerate to 220 miles per hour by the summer of 2012, if the first year of operation goes smoothly.
这些列车的初步开行时速将限制为300公里，如果第一年运营顺利，将于2012年夏天提速至350公里。
The trains will barrel along at initial speeds of 190 miles per hour, with plans to accelerate to 220 miles per hour by the summer of 2012, if the first year of operation goes smoothly.
这些列车的初步开行时速将限制为300公里，如果第一年运营顺利，将于2012年夏天提速至350公里。
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