（三）在铁路、城市轨道交通线路、桥梁、隧道、涵洞处挖掘坑穴、采石取沙的；
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From many vantage points, it’s easy to forget the city is home to a massive 900-acre oil refinery, its imposing sprawl of stacks, holding tanks and billowing steam hidden from view. But for nearly 60 years, the refinery has loomed over every aspect of life in Benicia, exerting outsized influence on its economy and politics, while posing serious risks to public health.
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Rubio has said the speedboat incident was not a US operation and no US government personnel were involved.，更多细节参见51吃瓜