This task checks to make sure that the interphone communication between the flight crew and the attendants operates correctly. A. 此任务检查单用于确认机组与乘务员之间的无线电通讯正常工作。 B. 此任务检查单用于确认机组与乘务员之间的内话通讯正常工作。 C. 此任务检查用于确认飞行人员与乘务员...