相关题目
主电源失效时，可采用单独并独立的子系统提供照明。
为了方便排故、修理电路、更换部件，需要采用部件定位和线路的编码系统。
To establish the basis for those items to be included, the following assumptions have been made.
The command mode could be benefit for the clear instruction.
Troubleshooting in a complex system consists of identifying sections that can cause specific types of trouble.
Before closing the hatch, it is mandatory to ensure that no persons are in the crew rest compartment.
The anti-icing system of the engine eliminates and prevents ice formation by bleed air in all parts of the engine (excluding power cowling), and is inclusive of several components such as valves, plumbing, regulators, etc.
发动机附件冷却系统用于发动机舱和附件通风，包括活门、管路、引射泵、涡流扰流器等部件。
垂直安定面是指与方向舵相连的垂直翼面，包括翼梁、肋、桁条、板/蒙皮、检修盖、翼尖等。
Examine the external surface of the container.
