The mass of all portable fire extinguisher shall not exceed 23kg, and they shall have a fire-extinguishing capability at least equivalent to that of a 9l fluid extinguisher.
所有手提式灭火器的重量应不超过23公斤，且其灭火容量至少应等同于9公升流体灭火器。
The mass of all portable fire extinguisher shall not exceed 23kg, and they shall have a fire-extinguishing capability at least equivalent to that of a 9l fluid extinguisher.
所有手提式灭火器的重量应不超过23公斤，且其灭火容量至少应等同于9公升流体灭火器。
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