773.用清洗液对腐蚀进行清洁时,要避免损坏周围区域。

A. In such cases,the introduction should notice the systems related in the manual, manufacturers may also choose to group related systems where the simplicity of the product permits.

B. In such cases,the introduction should note the systems covered in the manual, manufacturers may also choose to group related systems where the simplicity of the product permits.

C. In such cases,the introduction should note the systems comprised in the manual, manufacturers may also choose to divide related systems if the product is simple enough.

A. 当释放液压时,活门按顺序打开。

B. 当液压被释放后,顺序活门移动到开位。

C. 当液压增压时,要按顺序移动来打开活门。

A. Using either method,the item to be checked is in the list of the desired condition.

B. Either way,check the listed item whose desired condition is stated.

C. No matter which method is used,the item to be checked is listed and its desired condition is presented.

A. 推荐的燃油节约信息应整合到本节中,以便向飞行员展示如何在飞行过程中尽量减少燃油的使用。

B. 推荐将燃油节约信息整合到本节中,为了向飞行员展示在飞行中尽量减少燃油的使用。

C. 此节整合了推荐的燃油使用信息,以便向飞行员展示如何在飞行过程中做到尽量少的使用燃油。

A. 系留操作中的警戒之一是:所有的滑行和拖动操作的最后几英尺必须是一条直线。这是为了防止对轮胎和主起落架施加力量。

B. 系留操作中的警戒之一是:所有的滑行和拖动操作的最后几英尺必须用一条直线。这是为了防止对轮胎和主起落架施加力量。

C. 系留操作中的警戒之一是:所有的滑行和拖动操作的最后几英尺必须走直线。这是为了防止对机轮和主起落架施加力量。

D. C.系留操作中的警戒之一是:所有的滑行和拖动操作的最后几英尺必须走直线。这是为了防止对机轮和主起落架施加力量。

A. The rudder can be used in case of thrust asymmetry.

B. The vertical stabilizer can be used in case of throttle symmetry.

C. The rudder can be used in situations where thrust is symmetric.

A. Uncontrolled system or old equipment cause hydraulic fluid flow from hydraulic system A to

B. If you fail to operate the system control properly or the equipment is damaged,the hydraulic fluid will be transferred between hydraulic system A and B.

C. Flow of hydraulic fluid between hydraulic system A and B result in accidental operation of system controls or damagedequipment.

A. “紧急程序”应该用红色塑料封袋装载以便区分。

B. “紧急程序”应该是由红色塑料板做成分隔页。

C. “紧急程序”应有一个红色塑料分隔标签。

A. 小心地展开薄板。

B. 小心地合上铝片。

C. 小心地打开钢片。

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。