All revision numbers and dates shall be removed from pages.

A. Visual difference is acceptable between the previous surface and the new surface.

B. There should be no visual difference between the initial surface finish and the new surface finish.

C. It is forbidden to have acoustic difference between the former surface finish and the new surface finish.

A. 用保险丝连接卡箍与控制杆拨叉确保安全。

B. 用保险丝穿过控制杆拨叉将夹块固定。

C. 用保险丝将夹块和控制杆固定在一起。

A. 对现有分析进行了审查，以确定哪些部件和区域可能表现出较低安全边际。

B. 对现有分析进行了审查，以确定可能显示出较低安全裕度的组件和区域。

C. 现有的分析被审查，以确定可能阻止安全边际降低的部件和区域。

A. Apply two films of protective compound to prevent hydraulic fluid from damaging to the sealant.

B. Apply two layers of protective compound to prevent hydraulic fluid damage to the sealant.

C. Two coats of sealing compound should be applied to prevent hydraulic fluid damage from the sealant.

A. Removing it with special material is necessary if you find corrosion.

B. If you find corrosion, remove it with the specified material.

C. If corrosion is found, change the material to remove it.

A. 两个半圆形的挡板控制空气流。

B. 两个半导体的金属圈控制空气流。

C. 两个半圆形的金属圈控制空气流。

A. 当压气机机匣被冷却后，压气机叶片间距变小。

B. 当涡轮机匣被冷却后，涡轮叶尖距变小。

C. 当涡轮机匣被冷却后，涡轮叶片间距变小。

A. 不需要使用支架或梯子就能实现在地面做检查。

B. 无需使用支架或梯子就能完成地面检查。

C. 检查是在地面上完成的，不需要使用架子或梯子。

A. The EEC processes the simulated signal from the fuel filter differential pressure bulb.

B. The fuel filter differential pressure sensor sends an modulated signal to the EEC.

C. The EEC receives the analog signal from the fuel filter differential pressure switch.

A. 不要拧紧螺母去压紧它。

B. 不要旋转螺母去校准它。

C. 不要拧松螺母去对准它。