a construction entity shall work on the approved road section and within the approved time and set up an obvious safety warning mark at a safe distance from the workplace facing the coming vehicles and take prevention measures as well
施工单位应当在批准的路段和批准的时间内施工，并在离施工地点相对于来车的安全距离处设置明显的安全警示标志，并采取防范措施
以上为机器翻译结果，长、整句建议使用 人工翻译 。
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