A、 如果主电源故障时提供照明的单独和独立子系统。包括带电池的手电简、提灯等物品。
B、 如果初级电源故障时提供燃烧的单独和独立子系统。包括带电池的手电简、提灯等物品。
C、 如果主电源故障时提供照明的单独和独立子系统。包括不带电池的手电筒、矿灯等物品。
答案:A
A、 如果主电源故障时提供照明的单独和独立子系统。包括带电池的手电简、提灯等物品。
B、 如果初级电源故障时提供燃烧的单独和独立子系统。包括带电池的手电简、提灯等物品。
C、 如果主电源故障时提供照明的单独和独立子系统。包括不带电池的手电筒、矿灯等物品。
答案:A
A. Energy is never created or lost it's a physics law that it just changes from one kind of energy to another and in our case, motion energy turns into heat energy when we brake.
B. It is a law of physics that energy is never produced or destroyed. It just changes from one type of energy into another type. In our example the kinetic energy changes into heat energy during braking.
C. Energy is never produced or lost, it's a physical law that it just transfers from one kind of energy to another and in our case, moving energy turns into heat energy when braking.
A. 一个关于序列号/组件号(或其他识别信息)的列表在右边页面相应的栏目中。
B. 页面右侧相应的栏目中列出了对应的序列号/组件号(或其他识别信息)。
C. 一组对应序列号/组件号(或其他识别信息)的栏目应显示在正确的页面上。
A. 包括前环形罩、气道、压气机风扇罩、埋入式发动机导管、涡流发生器、作动器、控制手柄、钢索、管道、连杆、门、警告系统、位置指示器等。
B. 包括前环形罩、气道、压气机风扇罩、埋入式发动机导管、涡流发生器、作动器、控制手柄、钢索、管道、连杆、门、警告系统和位置指示器。
C. 包括前环形罩、气道、压气机、埋入式发动机导管、涡流发生器、作动器、控制手柄、钢索、管道、连杆、门、警告系统、位置指示器等。
A. 在向系统中注入新滑油之前,强制性童置油滤。
B. 在向系统中注入新滑油之前,必须更换油滤。
C. 在系统中注入新滑油之前,建议更换过滤器。
A. Sometimes, especially for comprehensive airplanes, it may be necessary to provide specific training in the proper maintenance of the airplane and its systems.
B. Sometimes, especially for complex airplanes, it may be necessary to provide specific training in the proper maintenance of the airplane and its systems.
C. Sometimes, especially for complex airplanes, it may be necessary to provide complex training in the proper maintenance of the airplane and its systems.
A. set the valve to fully closed position
B. set the valve to full closed position
C. set the valve to fully close position
A. The manufacturer decide the cover content.
B. The supplier describe the cover content.
C. The manufacturer decide the table of content.
A. The power source that are discussed respectively under the appropriate chapter heading shall provide power to at least two systems.
B. When two or more systems are served by a single power source, that power source will be discussed separately under the appropriate chapter heading.
C. The system that is powered by two or more power sources shall be discussed separately under the appropriate chapter heading.
A. GETS
B. SENSES
C. OBTAINS
A. 飞机保持适航和安全飞行的基础是由制造商决定的,当然也需要定期检查和维护。
B. 按照飞机制造商的要求运行飞机,辅以定期维护和检查可以保持飞机的适航性。
C. 按照制造商的意图使用飞机,结合良好的检查和维修实践,形成了确保飞机保持适航和安全操作的基础。