... 定向行车道标记 directional carriageway marking 交通护栏 traffic guardrail 钢索护栏 cable guardrail ...
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Safety guardrail is an important appurtenance to ensure traffic safety.
防撞护栏是确保交通安全的重要设施。
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As an important traffic safety facilities of expressway, guardrail plays a key role in reducing the damage and property losses of road accident.
护栏是重要的交通安全设施，对降低道路交通事故的严重程度和减少经济损失起着关键性作用。
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