fire resistant material engineering
Phenolic resin for fire-resistant material 耐火材料用酚醛树脂 fire resistant material engineering 防火材料工程 other material fire resistant doorsets 其他材质防火门 ..
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FIREMEN fire resistant material engineering
消防英语词汇第509页 ... firemanship消防实践〔技能 FIREMEN=fireresistantmaterialengineering防火材料工程 firemen'sboots消防靴 ...
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