1589. 燃油渗漏会降低发动机性能。

A. Hydraulic fluid deflations as temperature increases;

B. Hydraulic fluid dilates as temperature increases;

C. Hydraulic fluid expands as temperature decreases;

A. 货舱空气的不流通是个重要的问题。

B. 客舱空气污染是一个重要的问题。

C. 处理机舱空气是个重要的问题。

A. 拆除导线。

B. 合并导线。

C. 将导线分开。

A. 包括折叠页和章节的起始页在内,所有页面均应双面打印。

B. 除折叠页外,章节的起始页和所有页面均应双面打印。

C. 除折叠页和章节的起始页外,所有页面均应双面打印。

A. Do the weighing procedure in this sequence.

B. In this order to perform the swapping procedure.

C. In this sequence to do the analysis procedure.

A. 每个主燃油箱的通气油箱外侧控制溢出的燃油和排气系统中的燃油。

B. 每个主燃油箱外侧的通气油箱收集溢出的燃油和来自排气系统中的燃油。

C. 每个主燃油箱的通气油箱从外侧防止排气系统中的燃油溢出。

A. Make sure that there is a different distance between the holes.

B. Make sure that you space the holes equally.

C. The holes should have long distances.

A. That portion of the system that automatically maintains a safty flight altitude by correcting for effects of speed, such as mach trim and speed balance. This includes sensing, computing, actuating, indicating, and warning devices such as computers, servos, actuators, warning lights, etc.

B. That portion of the system that automatically maintains a safe flight attitude by correcting for effects of speed, such as mach trim and speed stability. This includes sensing, computing, actuating, indicating, and warning devices such as computers, servos, actuators, warning lights, etc.

C. That portion of the system that automatically maintains a safe flight attitude by correcting for effects of airspeed, such as mach trim and speed stability. This includes sensor, computer, actuator, indicate, and caution devices such as computers, servos, actuators, warning lights, etc.

A. warning flag show in the window.

B. warning flag appears in the window.

C. a warning flag shows in the window.

A. Fuel sample was checked for contamination of microorganism.

B. Contamination to microorganism was detected in the fuel sample.

C. Fuel sample check reveals positive contamination of microorganism growth.