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1.The pedestrian guardrail is designed to prevent people from walking on the road.
行人护栏的设计是为了防止人们走在马路上。
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2.The pedestrian guardrail is made of steel and has a height of about 1.5 meters.
行人护栏是由钢制成的，高度约为1.5米。
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3. The pedestrian guardrail is installed at the entrance of the subway station to ensure the safety of pedestrians.
在地铁站入口安装行人护栏，以确保行人的安全。