当两个大翼油箱之间存在的不平衡量超过（）千克时，计算机启动双向交输油泵，在油泵的作用下，燃油量较多的大翼油箱内的燃油传输到燃油量较少的大翼油箱。When a fuel imbalance of more than （）kg exists between thewing tanks, the computer starts the bidirectional XFLOW pump. Fuel istaken from the wing tank with the higher quantity and pumped to thelow- quantity tank.