The safety valve of boiler F.O. Pump to be submitted. 鍋爐燃油泵安全閥提交。
These lines and hoses carry the fuel from the tank to the fuel pump, from the pump to the carburetor, return excess fuel to the tank, and carry fuel vapors. 通過(guò)這些管路，將燃油從油箱輸送至燃油泵，再從燃油泵輸送到化油器，剩余的燃油送回油箱。
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