hanged d powder extinguishing equipment
... Hanged d extinguishing equipment 悬挂式灭火装置 Hanged d powder extinguishing equipment 悬挂式干粉灭火装置 hard magnetic material 硬磁材料 ...
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hanged d powder extinguishing equipment
悬挂式粉末灭火设备
以上为机器翻译结果，长、整句建议使用 人工翻译 。