APU is fully inoperative, please call a ground power unit and tow air start units immediately.
APU is fully inoperative, please call a ground power unit and tow air start units immediately.
APU失效，请马上来一辆电源车和两辆气源车。
APU is fully inoperative, please call a ground power unit and tow air start units immediately.
APU失效，请马上来一辆电源车和两辆气源车。