For the dangerous sites with explosive dust mixture: 11 division.
爆炸性粉尘混合物危险场所：11区。
Powdered material may form explosive dust-air mixture.
粉状材料可形成爆炸性粉尘空气混合物。
The term dust cloud describes dust particles that along with air form a potentially explosive mixture.
该术语描述与空气尘埃粒子，形成了潜在的爆炸性混合物的尘埃云。
This hoisting gear is used for hoisting or transporting at the place of coal shaft with explosive mixture of gas or coal dust.
该系列绞车用于煤矿井下有瓦斯或煤尘爆炸性混合物的场所作提升或运输用。
This hoisting gear is used for hoisting or transporting at the place of coal shaft with explosive mixture of gas or coal dust.
该系列绞车用于煤矿井下有瓦斯或煤尘爆炸性混合物的场所作提升或运输用。
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