54、Identify a revision to an illustration with a black vertical line in the left margin opposite the revised portionor use a "pointing hand".

在左边空白处用黑色垂直线或用“手形指示”来标记确定插图的修改部分。

用与修改部分相对的左边空白处的黑色垂直线或用“手形指示”来确定插图的修改。

用左边空白处的黑色水平方向直线或用“手形指示”来确定插图的修改。

正确答案：B

1426、它明确了制造商建议的部件或组件的退役时间(使用小时数、循环数或其他合适的因素)以及 FAA 要求的时寿部件或组件的退役时间。

1425、在同样的温度下固化密封胶。

1424、Identify the bell crank and shaft with marks to prevent incorrect installation。

1423、安全程序由制造商提供。

1422、CAP usually consist of two pages: one text page and one illustration page.

1421、Calculate the quantity of fuel necessary for the flight.

1420、Calculate the pressure with the applicable formula

1419、Braking system is used to ＇decrease run-down)time or stop propeller rotation during engine power-off conditions.

1418、Bleed then system before you disconnect the components

1417、Because airplanes are intended to have long lives, their flight safety must be assured.