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无人看守的铁路道口,应当在距道口一定距离处设置警示标志。
At a railway crossing not watched by any one, warning marks shall be set up at a certain distance from the crossing.
youdao
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无人看守的铁路道口,应当在距道口一定距离处设置警示标志。
At a railway crossing not watched by any one, warning marks shall be set up at a certain distance from the crossing.
youdao