The safety valve of boiler F.O. Pump to be submitted. 锅炉燃油泵安全阀提交。
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. 通过这些管路,将燃油从油箱输送至燃油泵,再从燃油泵输送到化油器,剩余的燃油送回油箱。