在潮湿土壤内埋设的金属管道可能在管道底部腐蚀。
A metal pipe buried in moist soil may corrode on the bottom.
所修建、架设或者埋设的设施应当符合公路工程技术标准的要求。
Facilities being built, erected or laid should conform to technical standards as required by road engineering.
护栏施工时操作应谨慎，不得破坏路面下埋设的电缆、管道等设施。
When the barrier construction should be careful to not damage the cable, pavement laying pipelines and other facilities.
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