灭火器桶体应设两个，并并联在一起，保证能有充足的灭火液体。
Two barrel bodies of the fire extinguisher can be provided and are parallel connected together, which ensures that the extinguishing liquid is sufficient.
灭火器桶体应设两个，并并联在一起，保证能有充足的灭火液体。
Two barrel bodies of the fire extinguisher can be provided and are parallel connected together, which ensures that the extinguishing liquid is sufficient.
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