看这套剧，当火警升级时，出现过很多的代号，例如
2-11 Alarm
Box Alarm
究竟芝加哥的火警分级是怎样？求解答

1st Alarm（一级火警）2 Engines（2辆泵车）, 2 Trucks（两辆工具车，个人理解是钢梯或者抢救车之类的）, 1 Battalion Chief (Still)（一名当值队长）

Full Still Alarm1st Alarm, Working Fire *Upgrade*1 Truck (R.I.T.), 1 Battalion Chief (R.I.T.), 1 Squad, 1 Command Van, 1 ALS Ambulance (R.I.T.), 1 Paramedic Field Chief (R.I.T.)

懒得翻译了，都给你贴上了

Still Alarm1st Alarm2 Engines, 2 Trucks, 1 Battalion Chief (Still)Full Still Alarm1st Alarm, Working Fire *Upgrade*1 Truck (R.I.T.), 1 Battalion Chief (R.I.T.), 1 Squad, 1 Command Van, 1 ALS Ambulance (R.I.T.), 1 Paramedic Field Chief (R.I.T.)Full Still Alarm1st Alarm, Working Fire in a Red "X" Building *Upgrade*1 Truck (1 R.I.T.), 3 Battalion Chiefs (1 R.I.T., 1 Safety, 1 Special Operations), 1 Deputy District Chief, 1 Squad, 1 Command Van, 1 O.F.I. Unit, 2 ALS Ambulances (1 R.I.T.), 1 Paramedic Field Chief (R.I.T.)Still Alarm in a High-Rise Building1st Alarm4 Engines, 5 Trucks (1 R.I.T.), 4 Battalion Chiefs (1 Still, 1 R.I.T., 1 Fire Attack, 1 High-Rise), 1 Squad, 1 Command Van, 2 ALS Ambulances (1 R.I.T.)Mayday Alert1st Alarm, Mayday Alert *Box or 2-11 Auto Upgrade*1 Truck (R.I.T.), 1 Battalion Chief (R.I.T.), 1 Squad, 3 ALS Ambulances (1 R.I.T.), 1 Paramedic Field Chief (R.I.T.), 1 Bottle Truck, 1 Light Wagon, Collapse Rescue Team (Engine 5, Truck 2, 5-2-1)

Box Alarm1st Alarm4 Engines, 2 Trucks, 1 Battalion Chief (Box)Still & Box Alarm1st Alarm, Still *Upgrade*4 Engines, 3 Trucks (1 R.I.T.), 1 Tower Ladder, 4 Battalion Chiefs (1 Box, 1 R.I.T., 1 Safety, 1 Fire Attack), 1 Deputy District Chief, 1 Squad, 1 Command Van, 1 O.F.I. Unit, 2 ALS Ambulances (1 R.I.T.), 2 Paramedic Field Chiefs (1 R.I.T.)Still & Box Alarm in a High-Rise Building1st Alarm, High-Rise Still *Upgrade*1 Engine (ALS), 3 Battalion Chiefs (1 Plans, 1 Safety), 1 Helicopter (6-8-1 or 6-8-2), EMS Plan I Assignment