Rail travel is usually cleaner, greener and faster than travel by car.
铁路通常比汽车更清洁，绿色，也更迅速。
2
To ensure the normal running of the screen cleaner, more reasonable technology on installing and welding the lead rail were adopted, and anticorrosion treatment of the lead rail was carried out.
对导轨的安装和焊接采用了合理的工艺，还对导轨进行了防腐处理，从而保证了清污机的正常运行。
3
Clean the gate rail of elevator and carpet with vacuum cleaner.