香港地鐵維修工人保障市民乘車安全

2015/07/07 瀏覽次數:7 收藏
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  7月7日CNN聽力:香港地鐵維修工人保障市民搭車平安


  Staying in Hong Kong for our next story, more thanseven million people live there.

  Officially, it's a special administrative region of Chinaand has one of the highest population densities onthe planet.

  What helps keep it all organized and moving?

  Step aboard the MTR, the Mass Transit Railway.

  Nine lines around the city, a light rail system, an airport express line.

  The MTR moves almost three and a half million people per weekday.

  But the people who keep it moving are largely unseen.

  Their work is done while most everyone else is asleep.

  Did you ever wonder how they keep the subway trains moving?

  We're here on this maintenance car and we're about to see how the Hong Kong Metrofunctions.

  Basically, these workers hard at work late at night,early in the morning while everybody else inthe city is sleeping.

  This crew is now cutting away a 60 meter long stretch of subway rail because it's worn awayover the last 20 years, about 15 millimeters.

  So the team is going to lift this up and replace it with a brand new stretch of rail.

  The MTR can average 5.2 million passengers a day.

  They can replace one of these 60-meter long stretches of rail in just about two and a halfhours.

  And they have to move fast, because the subway is only closed for a few hours in the earlymorning.

  Here's the fascinating final step in the process.

  They have just forged a link between the old rail and the new to ensure that they fit snuglytogether and that the subway trains glide smoothly down the tracks.

  And as they wrap up their work here, rush hour is rapidly approaching and soon hundreds ofthousands of people will be teeming through this subway station, beginning their own workingday.

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