2175.Examine the opening for cracks that start at its corners.

A. When showing a low flow or not sufficient cooling condition,the low flow sensor produces an alarm signal of the flight compartment for warning.

B. When a low flow or under cooling condition occurs,the low flow sensor provides an alarm signal to the cabin compartment for alert.

C. When a low flow or not sufficient cooling condition occurs,the low flow sensor supplies an alarm signal to the flight compartment for annunciation.

A. That portion of the system is used to eliminate or prevent the formation of ice on propellers."

B. The function of that part of the system is to decelerate or prevent the deformation of ice on propellers.

C. The usage of the system portion is to accelerate or facilitate the formation of ice on propellers.

A. Deflate the pressure of tire to the certain value.

B. Provide pressure with nitrogen to the required value for the tire.

C. Depressurize the tire to the demanded value.

A. 小心地取出配平盖板内的备份磁带。

B. 小心地从胶带上拆除装饰盖。

C. 小心地移除调整片,用其他的带子盖上。

A. Flush the pipes with a disinfectant solution.

B. Flush the pipes by a virus solution.

C. Flush the pipes by a anti-virus fluid.

A. On some turbopropeller powered airplanes,the condition lever is the primary control for starting and stopping the engine.On others,it is the primary control used to set engine and propeller speed.

B. On some piston powered airplanes,the condition lever is the secondary control for starting and shutting the engine.On others,it is the secondary control used to set engine and piston speed.

C. On some turbopropeller powered airplanes,the status lever is the secondary control for starting and shutting the engine.On others,it is the secondary control used to set engine and propeller speed.

A. 本程序给出了不同的扭矩范围以及相应的规定。

B. 本文件给出了不同的扭矩值和其适用的条件。

C. 本程序给出了适用的差异扭矩值和条件。

A. Use the clean solvent again to leave the oils on the surface.

B. If necessary,clean the oils by applying clean solution.

C. Remove the oils,if necessary,by applying clean solvent again.

A. 不同类别和型号的飞机在设计和复杂性上的差异对具体故障有很大影响。

B. 设计上的差异以及各种类型和型号的飞机的复杂性都对一个具体故障产生很大影响。

C. 各种类别和型号的飞机因设计不同导致其复杂性不同,飞机承担的主要功能也不同。

A. 为了参考使用,标签分隔符应该按顺序排列。

B. 交错使用制表分隔符将有助于参考。

C. 为了便于参考,隔页签应交错排列。