三节车厢的电气化列车 three-car electric multiple unit
有些噪音是电气化列车这样人为来源产生的。
Some of the noise comes from man-made sources such as electrified trains.
这条铁路正在电气化，希望能引进更好的列车服务。
The railway line is being electrified and it is hoped that a better train service will be introduced.
在双线电气化铁路“天窗”时间内，组织旅客列车反方向行车。
During the time course of "window" on electrified double lines, passenger train should be organized to run in reverse direction.
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