Fuel Oil Transfer Pumps

• 输油泵

Fuel Oil Transfer Pumps的用法和样例：

例句

1. The vacuum-relief valve opens to allow enough air to enter the tank to replace the gasoline pumped from the tank by the fuel pump.
   真空阀通向大气，使足够的空气进入油箱，以补充由输油泵从油箱中吸出的燃油所占的面积。