fireproof door pocket的意思|示意
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防火门袋
fireproof door pocket的网络常见释义
防火门套 兴安矿综采放顶煤工作面防灭火实践 关键词：灭火方法；防火门套；三项泡沫；六氟化硫 [gap=424]Key words：fire—extinguishing method；fireproof door pocket；three phase foam；sulfur hexagluoride