高倍数泡沫灭火剂 high-expansion foam extinguishing agent 高倍数泡沫灭火系统 high-expansion foam extinguishing system 高倍数泡沫发生装置 high-expansion foam-generating equipment ..
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high expansion foam-extinguishing system 高膨胀泡沫灭火系统
high expansion foam extinguishing system 高倍数泡沫灭火系统
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