In fact , on the road test , one tip : chat with the examinant 事实上，在路考时，一个小情报就是跟主考官多聊天。
2.
The auxiliary motor test - bed is one of the devices which can examinant and tests the auxiliary motor ' s general performances such as d . c engine , a . c engine and phase converter 机车辅机试验台便是负责对直流电机、交流电机、劈相机等机车辅机综合性能的试验检修测试的设备之一。
