自动发卡机设备状态区显示收费车道各种外设的运行状态,分别为:()?
A. 线圈线圈
B. 栏杆机
C. 顶棚灯
D. 网络状态
E. 读卡器
F. 车牉识别
发电机排烟口高出地面4.5m以下时,排烟口至各爆炸危险区域边界的水平距离不应小于()m。
A. 12
B. 8
C. 5
D. 3
I think the discount is higher than anything()
A. or it will have to look elsewhere.
B. we’ve ever given before.
C. there are two hundred and sixteen thousand employees worldwide.
D. but I got nothing out of it.
在WDM中电气零件识别号C代表什么?
A. 电瓶
B. 跳开关
C. 电容