| 摘要 |
PURPOSE: A protective wall is provided to prevent falling of passengers, and a footage portion is further provided to compensate gap between the platform and subway. CONSTITUTION: A protective wall(200) is composed of a first and second protective wall installed in both sides of mark line. A safety door(300) is composed of a first and second safety door to open/close the first and second protective wall. A footage portion is installed between the first and second protective wall. A power generating portion generates power to operate the footage portion. A controller is installed to control the power generating portion.
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