165. 执行此程序来保护碳钢钢索。

A. All aircraft engines must meet certain general efficiency, economy, and reliability requirements, which require that the ignition system can provide ignition pulses at the proper time to the spark plug in various weather and other adverse conditions.

B. All aircraft engines must meet certain overall efficiency, economy and reliability requirements, which require the ignition system should provide ignition pulses at appropriate times under meteorological and other unfavorable conditions.

C. All aircraft engines must meet certain general requirements of reliability, economic and efficiency, which dictates the use of ignition systems that deliver the firing impulse to the spark plugs in all kinds of weather and under other adverse conditions.

A. 然而,制造商可能会忽略不适用于该产品的系统/章节,或者在可行的情况下组合系统/章节。

B. 然而,制造商可能会舍弃不适用于该产品的系统/章节,或者在必要的情况下关联系统/章节。

C. 然而,制造商可能会忽略不适用于该产品的系统/章节,或者在必要的情况下选择系统/章节。

A. 只有经过授权的人员方可以留在该区域

B. 只有经过改装的人员方可以留在该区域

C. 只有经过检验的人员方可以留在该区域

A. 依次执行以下工作以安全打开相应发动机上的左右侧反推

B. 安全打开相应发动机上的左右侧反推来依次执行以下工作

C. 依次执行以下工作以安全打开相应发动机上的左右侧推力杆

A. 确保燃油从机翼油箱到中央油箱的移动速度相等。

B. 应该使燃油从大翼油箱到中央油箱的传输速率相等。

C. 确保燃油从大翼油箱到中央油箱的传输速率相等。

A. Attach the screw＇s wire to the new cable.

B. Attach the screw＇s cord to the new cable.

C. Attach the threading cord to the new cable.

A. Monitor the operation of the actuator motor.

B. Monitor the operation of the steering motor.

C. Monitor the operation of the starting motor.

A. As only approved limitations may be excluded in this Section,an introductory statement to this effect shall be contained in a prefatory note or the opening paragraph.

B. An introductory statement to this effect included in a prefatory note or the opening paragraph,that only approved limitations may be included in this Section.

C. Due to only approved limitations may be included in this Section,an introductory statement to this effect shall be included in a prefatory note or the opening paragraph.

A. 确保着陆时切断灯的开关电源连接

B. 确保着陆灯断开电门的电连接是安全的

C. 确保着陆灯安全切断了开关电源连接

A. 球形轴承

B. 圆锥轴承

C. 圆柱轴承