×
单选题
3322. The separate and independent subsystems used to provide illumination in case of primary electrical power failure Includes items such as inertia flashlights, lanterns, etc
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。
答案解析
正确答案：A
相关题目
单选题
41. Under each section, in order of probability, list the unit conditions that may be causing the trouble
单选题
40. That portion of the system which is used to distribute high or low pressure air to using systems Includes items such as ducts, valves, actuators, heat exchangers, controls, etc Does not include the supply valves to the using systems
单选题
39. Make the surface of the chamfer rough
单选题
38. The removal step in the replacement of the hydraulic reservoir might break down
单选题
37. 找到燃油渗漏源
单选题
36. Do not let the cable touch the floor and make sure the floor is not wet
单选题
35. 在部件你表面涂上润滑油
单选题
34. 此系统用于伸出或收回起落架
单选题
33. This specification will meet the applicable government regulatory requirements
单选题
32. If you do not find damage during the inspection procedure, assemble the unit
