As a precaution, the fuel return hose and fuel line of the affected vehicles will be exchanged with a technically modified version.

检查召回车辆，更换经技术改进的燃油回油管和燃油管路，以作为一项预防措施。

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On Tuesday, the U.S. Coast Guard said the fire started with a leak in a fuel-oil return line running from one of the ship's engines.

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