The main materials it sells include fire hydraulic giant, fire hose, indoor and outdoor fire hydrant, firebox 1211 and 302 fire extinguisher, etc.
它卖的主要材料包括：火液压巨头、灭火水龙带、消防水带、室内外消防栓、1211消防箱、和302灭火器等等。
Indoor water supply pipeline fire hydrant system has two forms: branched network and ranged network.
室内消火栓系统给水管道有枝状管网和环状管网两种形式。
Indoor water supply pipeline fire hydrant system has two forms: branched network and ranged network.
室内消火栓系统给水管道有枝状管网和环状管网两种形式。
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