x calculate the quantity of fuel necessary for the flight.计算飞行所需的燃料数量
A.Define the amount of fuel required for the flight. B.Calculate the quality of fuel required for the flight. C.Decide the quality of fuel necessary for the flight.正确答案A
x calculate the quantity of fuel necessary for the flight.计算飞行所需的燃料数量
A.Define the amount of fuel required for the flight. B.Calculate the quality of fuel required for the flight. C.Decide the quality of fuel necessary for the flight.正确答案A
