在所有起落架轮子周围放置轮挡。

A. 用1/2英寸的扳手拆下盖子。

B. 用1/2英寸长的扳手拆下端盖。

C. 用1/2英寸的套筒拆下盖子。

A. 扭力连接组件将齿轮的扭力传递到支柱上。

B. 支撑轴产生扭转力，并将扭转力通过扭力杆组件传递到减震支柱上。

C. 扭力杆组件将扭力负载从轮轴传递到减震支柱。

A. 对泵的控制电门进行保护可以防止误操作。

B. 泵的控制电门可以对误操作进行保护。

C. 泵的控制电门上的保护装置可以防止意外操作。

A. A system consists of related components used to perform a specific function.

B. A system is a combination of interrelated components arranged to perform a specific function.

C. A system is combined with relevant components that perform a specific function.

A. Clean window using much quantities of soap and water.

B. Clean window using liberal quantities of soap and water.

C. Clean window with large quantities of soap and water.

A. The Check List may also include additional information relevant to the operation of the airplane, such as performance details, alternate equipment operation, etc., which the pilot might rarely use.

B. The Check List may also contain supplemental information pertinent to the operation of the airplane, such as performance data, optional equipment operation, etc., that the pilot might routinely use.

C. The Check List may also cover extra information that the pilot might daily use and is decisive to the control of the airplane, such as performance data, alternate equipment operation, etc.

A. 螺旋桨恒速机构故障。

B. 螺旋桨恒速机构被挡住了。

C. 螺旋桨恒速传动机构不在这个位置。

A. 副翼回到中立位后，确保其与襟翼齐平。

B. 扰流板回到原位后，保证和襟翼对齐。

C. 在副翼返回中心之后，保证它们和襟翼相连。

A. 为了简化阅读和相互援引，插图、图形和表格应尽可能以纵向排列布局呈现。

B. 为方便阅读和相互参照，如可行，插图、图形和表格应垂直排列布局。

C. 为了精简阅读和交叉索引，插图、图标和表格如可行，应纵向排列布局。

A. 确保襟翼和副翼微调手轮已收回并处于零位置。

B. 确保襟翼收起到零位，且副翼配平手轮处于零位。

C. 确保襟翼收上，副翼配平手轮处于零位。