电动燃油泵压力试验
electric fuel pump pressure test
附装燃油箱中的电动燃油泵
tank-mounted eletric fuel pump
装在坦克上的电动燃油泵
tank-mounted electric fuel pump
发动机机油泵安装螺栓
engine oil pump mounting bolt
发动机机油泵传动齿轮
engine oil pump drive gear
发动机机油泵中间齿轮
engine oil pump idler gear
发动机机油油槽区
engine oil sump compartment