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干粉灭火器属于窒息灭火
1、干粉灭火器：使用时，先拔掉保险销，一只手握住喷嘴，另一只手握紧压柄，干粉即可喷出。
1. Dry powder extinguisher: when using, first pull out the safety pin, hold the nozzle with one hand, and hold the pressure handle with the other hand, then dry powder can be ejected.
2、1211灭火器：使用时，先拔掉保险销，然后握紧压柄开关，压杆就使密封间开启，在氨气压力作用下，1211灭火剂喷出。
2. 1211 fire extinguisher: when using, first pull out the safety pin, then hold the pressure handle switch, and the pressure bar will open the seal room. Under the action of ammonia pressure, 1211 fire extinguishing agent will be sprayed out.
3、二氧化碳灭火器：使用时，先拔掉保险销，然后握紧压柄开关，二氧化碳即可喷出。
3. Carbon dioxide fire extinguisher: when using, first pull out the safety pin, then hold the pressure handle switch, and carbon dioxide can be ejected.
注意：
Be careful:
1）、干粉灭火器属于窒息灭火，一般适用于固体、液体及电器的火灾。
1) the dry powder fire extinguisher belongs to suffocation fire extinguishing, which is generally applicable to the fire of solid, liquid and electrical appliances.
2）、二氧化碳灭火器、1211灭火器属于冷却灭火，一般适用于图书、档案、精密仪器的火灾。
2) carbon dioxide fire extinguisher and 1211 fire extinguisher are cooling fire extinguishers, which are generally applicable to books, archives and precision instruments.
3）、使用二氧化碳灭火器时，一定要注意安全措施。因为空气中二氧化碳含量达到8.5％时，会使人血压升高、呼吸困难；当含量达到20％时，人就会呼吸衰弱，严重者可窒息死亡。
3) pay attention to safety measures when using carbon dioxide fire extinguisher. When the carbon dioxide content in the air reaches 8.5%, it will make people's blood pressure rise and breathing difficult; when the carbon dioxide content reaches 20%, people will breathe weakly, and people who are serious may die of suffocation.
所以，在狭窄的空间使用后应迅速撤离或带呼吸器。其次，要注意勿逆风使用。
Therefore, after use in a narrow space, it is necessary to evacuate or take a respirator. Second, pay attention not to use against the wind.
因为二氧化碳灭火器喷射距离较短，逆风使用可使灭火剂很快被吹散而影响灭火。
Because the spraying distance of carbon dioxide fire extinguisher is short, the use of counter wind can make the fire extinguishing agent be blown away quickly and affect the fire extinguishing.
此外，二氧化碳喷出后迅速排出气体并从周围空气中吸收大量热量，因此，使用中防止冻伤。
In addition, carbon dioxide ejects the gas quickly and absorbs a lot of heat from the surrounding air. Therefore, frostbite is prevented in use.
1. Dry powder extinguisher: when using, first pull out the safety pin, hold the nozzle with one hand, and hold the pressure handle with the other hand, then dry powder can be ejected.
2、1211灭火器：使用时，先拔掉保险销，然后握紧压柄开关，压杆就使密封间开启，在氨气压力作用下，1211灭火剂喷出。
2. 1211 fire extinguisher: when using, first pull out the safety pin, then hold the pressure handle switch, and the pressure bar will open the seal room. Under the action of ammonia pressure, 1211 fire extinguishing agent will be sprayed out.
3、二氧化碳灭火器：使用时，先拔掉保险销，然后握紧压柄开关，二氧化碳即可喷出。
3. Carbon dioxide fire extinguisher: when using, first pull out the safety pin, then hold the pressure handle switch, and carbon dioxide can be ejected.
注意：
Be careful:
1）、干粉灭火器属于窒息灭火，一般适用于固体、液体及电器的火灾。
1) the dry powder fire extinguisher belongs to suffocation fire extinguishing, which is generally applicable to the fire of solid, liquid and electrical appliances.
2）、二氧化碳灭火器、1211灭火器属于冷却灭火，一般适用于图书、档案、精密仪器的火灾。
2) carbon dioxide fire extinguisher and 1211 fire extinguisher are cooling fire extinguishers, which are generally applicable to books, archives and precision instruments.
3）、使用二氧化碳灭火器时，一定要注意安全措施。因为空气中二氧化碳含量达到8.5％时，会使人血压升高、呼吸困难；当含量达到20％时，人就会呼吸衰弱，严重者可窒息死亡。
3) pay attention to safety measures when using carbon dioxide fire extinguisher. When the carbon dioxide content in the air reaches 8.5%, it will make people's blood pressure rise and breathing difficult; when the carbon dioxide content reaches 20%, people will breathe weakly, and people who are serious may die of suffocation.
所以，在狭窄的空间使用后应迅速撤离或带呼吸器。其次，要注意勿逆风使用。
Therefore, after use in a narrow space, it is necessary to evacuate or take a respirator. Second, pay attention not to use against the wind.
因为二氧化碳灭火器喷射距离较短，逆风使用可使灭火剂很快被吹散而影响灭火。
Because the spraying distance of carbon dioxide fire extinguisher is short, the use of counter wind can make the fire extinguishing agent be blown away quickly and affect the fire extinguishing.
此外，二氧化碳喷出后迅速排出气体并从周围空气中吸收大量热量，因此，使用中防止冻伤。
In addition, carbon dioxide ejects the gas quickly and absorbs a lot of heat from the surrounding air. Therefore, frostbite is prevented in use.
