853.[ ]THE FUEL TANKS ( )

83.从滑油箱上拆下磁性排放堵头。 ( )

82.在燃油泄漏区域涂抹滑石粉 ( )

81.Before you move the controls, disengage the locks( )

80.燃油中的水是危险的。 ( )

79.Warning: Before you close the hatch , make sure that no persons are in the crew rest

compartment When the hatch is closed, there is no airflow to the compartment and there is a risk of suffocation ( )

78.高度和决断高度数据显示在主飞行显示器,多功能控制显示组件可选择并读取决断高度。

77.The effect of weight should also be scheduled if it significantly affect cruise performance ( )

76.If the light is too dim, replace the battery ( )

75.Use a drill bit that has a maximum length of 45 mm( )

74.列出每个故障的可能原因的第一步是显示系统的哪些部分可能出现故障。 ( )