装置内物料成分复杂，状态多样，必须合理选择水、干粉、泡沫等灭火剂。
In the device, the material composition is complex and the state is various, so it is necessary to choose water, dry powder, foam and so on.
装置内物料成分复杂，状态多样，必须合理选择水、干粉、泡沫等灭火剂。
In the device, the material composition is complex and the state is various, so it is necessary to choose water, dry powder, foam and so on.
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