The invention relates to a locking mechanism of a railway freight car, in particular to a locking device arranged on a lower side door of a rail freight gondola car.

本发明涉及一种铁路货车锁闭机构，特别是涉及一种铁路货运敞车下侧门的锁闭装置。

youdao

Printing unit employs rail sliding, pneumatic locking, manual switch and convenient adjustment.

印刷部采用轨道滑行、气动锁紧、手动开合、轻便调校。

youdao

The prosecution told Birmingham Crown Court Network Rail would not spend money on an automatic locking device.

BBC: Jane Harding

During the trial, the jury was told Network Rail had failed to install an automatic barrier locking system at the site, when improvements were made in 2009, due to its expense.

BBC: Level crossing death: Signalman and Network Rail fined

Mr Mott told the court although it may be a case of "human error", Maund's former employer Network Rail was equally culpable for Mrs Harding's death because it had not fitted an automatic-locking device at the Moreton-on-Lugg crossing as part of improvement works there.

BBC: Hereford & Worcester