原始问题:
可坐式自动扶梯
The standing type automatic escalator is a kind of escalator. It is mainly composed of handrails, steps, trusses and motors. When the escalator is running, the steps move along the guide rail to form a continuous moving staircase. The standing type automatic escalator has its own characteristics compared with other types of escalators. Its main feature is that it does not need to be seated when riding, so it can save space and increase transportation capacity.
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