爆炸性粉尘混合物危险场所：11区。
For the dangerous sites with explosive dust mixture: 11 division.
粉状材料可形成爆炸性粉尘空气混合物。
当储存以及在装载粮食和客货运输车辆对这些产品，有可能具有潜在爆炸性粉尘，空气混合物的产生。
When storing grain as well as during the loading and unloading of transport vehicles for these products, it is possible for potentially explosive dust-air mixtures to be produced.
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