油箱排气系统可根据需要让空气进出油箱。

A. 当襟翼完全放出后，马达停止。

B. 当襟翼运达终点时，马达会停止。

C. 当挡板的行程结束时，电机停止。

A. It is necessary to define symbols, abbreviations and terminology for the clear understanding of the information presented in various sections of the Handbook.

B. Define signatures, short words and jargon necessary for understanding clearly of the information contained in every section of the Handbook.

C. It is important to define signs, acronyms and nomenclature for the understanding of the information provided in these sections of the Handbook.

A. Reserve the inflammable material at least 50 inches away from the work area.

B. Deposit the explosive substance out of 50 feet with the work area.

C. Keep flammable materials at a minimum distance of 50 feet from the work area.

A. If there are metal fragments in the liquid sample, replace the pump.

B. If there are only small metal particles in the solid sample, replace the pump.

C. If there are metal particles in the sample solids, replace the pump.

A. Write notes only to give content, not commands.

B. Write notes only to give information, not instructions.

C. Write cautions only to give information, not orders.

A. Tow the plane to a safe area where you can use the standard process.

B. Pull the vehicle to a safe area where you can use the standard procedures.

C. Taxi the car to a safe area where you can use the normal procedures.

A. 如果你决定不更换此组件，记录其温度最多15个循环。

B. 监控它的温度最少15个循环后，决定是否更换此组件。

C. 如果你的决定是不更换该组件，则监控其温度至少15个循环。

A. 剪切销断裂时，确保拖杆完整。

B. 如果剪切销断裂，检查拖杆。

C. 检查拖杆对剪切销断裂的影响。

A. If there is sufficient friction to keep it in position, adjust the clamp.

B. Adjust the clip until there is sufficient friction to keep it in position.

C. Adjust the clamp until there is sufficient friction to keep it in position.

A. 如果发现变质或损伤，必须在特定的间距内对修理进行检查和更换。

B. 修理必须在特殊的时间内进行检查，如果发现变形或损坏，则考虑更换。

C. 必须在规定的间隔内对修理进行检验，如发现老化或损坏，则必须更换。