这种灭火器的开关能自动开启。
The switch on this kind of fire extinguisher opens up automatically.
和电力(开关柜，控制柜等)相连的部分千万不能用水灭火，必须使用二氧化碳灭火器。
Components connected to electric power (switch cabinets, control desks, etc.) must not be extinguished with water. It is recommended to use carbon-dioxide fire extinguishers.
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