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26.DC600V供电客车断电___分钟后才能进行绝缘测试。___
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42.25K型客车的使用寿命为___年,厂修期为7.5年。___
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45.客车鉴定时轴报仪不能巡检___类故障。___
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49.25K型客车的DP-3型差压阀,当压力差为150kpa时起作用,压差误差为___。___
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51.不使用集控功能时,本车可实现车内外手动、___开关门。___
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52.25K型客车电气装置主要分为两大部分:车上电气装置和___。___
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53.塞拉门将要完全关闭时,由___开关将压力信号屏蔽,防挤压装置失去作用,使门不会因关门时与门框撞击而重新开启。___
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54.J5发电机三相工作绕组的。___相要___。___
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55.发电机的运行特性包括空载特性、___特性、调节特性等三种。___
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56.电冰箱的中修与___段修同步。___
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57.为减少空调机组的频繁启动对电源及电机的大电流冲击,DC600/AC380V空调列车供电系统采用了___软启动方式。___
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61.DC600V供电列车采用的是整列车构成由___控制的无主网络监控系统.行车安全监测诊断系统和无线传输系统。___
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