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苏联研究了自动汽车加油站给载重汽车和轻型汽车装油时,汽油的实际蒸发损失。他们测量了从油箱跑出的油气与空气混合气体的体积,同时测定汽油蒸汽的浓度,汽车油箱的气体空间温度及汽油温度。向汽车油箱装油时实际蒸发损失(M)可按下式计算:
The Soviet Union studied the actual evaporative loss of gasoline as it was loaded into truckloads and light vehicles at automatic gas stations. They measured the volume of gas mixture with air that ran out of the tank and determined the concentration of gasoline vapor, the gas space temperature in the car’s fuel tank, and the gasoline temperature. The actual evaporation loss (M) to the car fuel tank can be calculated as follows: