1687.While you do each step of the valve test,make sure that there is no leakage.

A. Clean the surface to make sure that the sealing is satisfactory.

B. Clean surfaces to ensurethe bonding as required.

C. Clean the surface to make sure that the bond is satisfactory.

A. 打破了测量值的记录。

B. 打破了一个金属测量值的记录。

C. 对所有厚度测量值做记录。

A. 打开客舱的一扇门,确保客舱不是全封闭的。

B. 打开客舱入口的一扇门,确保客舱没有增压。

C. 打开通往客舱的一扇门以保证通行没有压力。

A. 在地面上的停放点贴上胶带。

B. 在地面上通过系留点贴上警示带。

C. 将绳索通过系留点连接到地面。

A. Examine and remove the parts that are damaged.

B. Examine the removed parts with damage.

C. Examine the removed parts for damage.

A. Maximum altitude loss during stall recovery is approximately 800 feet.

B. Maximum altimeter loss during spin recovery is about 800 feet.

C. Maximum weight loss during stall recovery is nearly 800 feet.

A. This format may be used in integraor in part.

B. This format may be used in its entirety or in part.

C. This format may be used in its tacticallity or in part.

A. Notes emphasize conditions such as operating procedures,inspection,repair or maintenance,etc.,which may be met as appropriate.

B. Notes emphasize the conditions of operation procedure,inspection,repair or maintenance,etc.,must be followed.

C. Conditions for operating procedures,inspection,repair or maintenance,etc.must be emphasized in the notes.

A. This step is applied to primer layer only.

B. This step can be only applied when the top is painted.

C. This step is applicable only when you apply the top layer of paint.

A. 在某些情况下,延长检查频率可能会对疲劳检查造成不足,从长远讲会造成实际飞行小时数低于最初预测。

B. 在某些情况下,如果数据表明疲劳问题发生在比最初预测的飞行小时数更多,则可以放缓检查频率。

C. 在某些情况下,延长实际飞行小时将影响疲劳检查,因此会造成维修检查的小时数远低于最初预测。

D. B.在某些情况下,如果数据表明疲劳问题发生在比最初预测的飞行小时数更多,则可以放缓检查频率。

E. C.在某些情况下,延长实际飞行小时将影响疲劳检查,因此会造成维修检查的小时数远低于最初预测。