Fixed railway equipment. Permanent way tools rail tongs.

铁路固定设备。长期用铁路工具。钢轨钳。

youdao

The SR series slides are formed by a fixed rail and an inner mobile rail of the same length.

幻灯片的SR系列由一个固定轨道和内部相同长度的移动导轨。

youdao

If the form is the use of sliding doors, as well as the fixed rails, hanging rail and other options, if the sliding door hardware is not good, long time push-pull devices are easily damaged.

如果是采用推拉门形式，还有固定滑轨、吊轨等多种选择，如果推拉门的五金件不好，时间长了推拉的器件容易损坏。

youdao

Translink said it had experienced radio communication problems which have since been fixed, but rail services are affected across the network.

BBC: Air and rail delays for commuters

All sides know that many striking rail workers have had their eyes fixed on what has been called "Black Tuesday", when many of those who have been struggling to get to work over the past week will themselves be going on strike.

BBC: RELATED BBC SITES

They answered to a Rail Regulator and his staff, who fixed internal contracts and prices, a Franchise Director and his staff who fixed fares and subsidies and a minister and his officials who tried to fix everything.

BBC: NEWS | Programmes | The Westminster Hour | Mad As Hell