Make sure the area for test is free of any people.

A. 1号和2号发电机为其对应的机翼供电。

B. 1号和2号发动机为其对应的机翼提供热空气。

C. 1号和2号发动机为相关的机翼释放热空气。

A. The recommended fuel conservation procedures shall contain a caution, if useful, that the power settings recommended by the manufacturer must be used during the use period of new and newly overhauled engines.

B. The recommended fuel conservation procedures shall contain a caution, if applicable, that the power settings recommended by the manufacturer must be used during the break-in period of new and newly overhauled engines.

C. The receptable fuel conservation procedures shall contain a caution, if applicable, that the power settings recommended by the manufacturer must be used during the management period of new and newly overhauled engines.

A. 发动机指示由指示器、传感器、分析者等组成，它能通过单元、部件和相关系统显示发动机运行参数。

B. 发动机指示系统能显示发动机的运行，由指示器、发射机、分析仪等不同单元、部件和相关系统组成。

C. 发动机指示系统指显示发动机运行的组件、部件和相关系统，包括指示器、传感器、分析系统等。

A. 能防止自由运动的活塞在套筒中有划伤。

B. 刻痕能阻止活塞在套筒中的自由运动。

C. 刻痕能防止自由运动的活塞在套筒中。

A. 不论怎样的“危机”大多数总是会出现需要马上快速反应的故障，比如全动力故障，着火或烟雾，或者客舱的快速释压。

B. 可是一个“危急情况”几乎总伴随着故障，需要立即快速反馈，比如一个动力装置故障，着火或烟雾，或快速客舱减压。

C. 然而，“紧急情况”几乎总是涉及需要立即和快速响应的故障，如整个动力装置失效，火灾或烟雾，或座舱快速失压。

A. It is suggested that nickel plated corrosion resistant steel or nickel plated steel fittings be used as alternatives for aluminum fittings in the high pressure and normal brake return systems between the antiskid module and parking brake module.

B. Suggest to use vanadium plated corrosion resistant steel or vanadium plated steel fittings as alternatives for aluminum fittings in the high pressure and normal brake return systems between the antiskid module and parking brake module.

C. It is recommended that cadmium plated corrosion resistant steel or cadmium plated steel fittings be used as replacements for aluminum fittings in the high pressure and normal brake return systems between the antiskid module and parking brake module.

A. 可参考的技术文件必须包含如勤务通告、勤务信件等。

B. 勤务通告、勤务信函包含在技术参考文件清单中。

C. 技术参考文件包括必要的文件清单，如服务通告、服务信函等。

A. 如果燃油或润滑油喷洒，请及时清洁此区域。否则潮湿的地面会造成摔伤。

B. 如有燃油或润滑油溢出，应立即清洁此区域。潮湿的地面很危险，会致你摔倒。

C. 如果燃油或油脂有遗撒，应立即清洁此区域。否则污染的地面会致你摔倒。

A. When wheel is dried, clean with the compressed air.

B. When wheel is cleaned, dry with the compressed air.

C. When wheel is cleaned, dry with the impressed air.

A. The accuracy of the adjustment can vary.

B. The accuracy of the adjustment can be fixed.

C. The precision of the adjustment can be prevented .