User can define rail pressure, pulse width, the amount of volume oil and other parameters by themselves.

用户可以自定义轨压、脉宽、量油次数等参数。

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Rail user groups are calling for passengers' needs to be at the heart of any future changes.

BBC: Train firms seek longer contracts

David Williams, chairman of North Wales Business Club, is a regular rail user and he said the overall image of the service was "not good".

BBC: NEWS | UK | Wales | North West Wales | Passenger 'shabby' trains anger