It analyses the rail transit DC traction power supply system voltage type frame protect device and rail voltage limited device matching problems that solve their adjusting value and time.

分析了轨道交通直流牵引供电系统的直流设备电压型框架保护装置与轨道电位限制装置定值和时间配合存在的问题及解决办法。

youdao

This paper may offer a scientific basis and means to make a reasonable program of light rail traffic system in order to protect from and reduce the noise of LRT which is rising in our country.

为我国正在兴起的轻轨交通系统规划建设中合理采取防噪、降噪措施提供科学依据和手段。

youdao

The team, from the university's School of Mechanical and Systems Engineering, now hopes to offer advice to the rail industry on how to protect passengers.

BBC: Newcastle engineers research bomb-proof train carriages

At Exeter, Network Rail is using a water-filled tube to act as a dam to protect the main railway line between London Paddington and Penzance from flooding.

BBC: Braunton 'cut off' by flood water as rain hits Devon