dust cloud meaning in English

尘云，尘雾
烟尘之云

Determination of the minimum ignition energy of dust cloud
粉尘云最小着火能量测定方法
Determination for minimum explosive concentration of dust cloud
粉尘云爆炸下限浓度测定方法
Dctermination for minimum explosive concentration of dust cloud
粉尘云爆炸下限浓度测定方法
Determination of the minimum ignition temperature of dust cloud
粉尘云最低着火温度测定方法
Standard test method for minimum autoignition temperature of dust clouds
对尘雾最低自燃温度的试验方法

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