在山区高速公路的一些事故多发路段，在路侧净空足够的情况下，安装缆索护栏能起到更好的安保效果。
Some accident-prone sections of the mountains expressway which have sufficient clearance to install cable guardrail will play better security results.
在山区高速公路的一些事故多发路段，在路侧净空足够的情况下，安装缆索护栏能起到更好的安保效果。
Some accident-prone sections of the mountains expressway which have sufficient clearance to install cable guardrail will play better security results.
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