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.
我厂始建于1993年，现能生产100多个系列800多个规格型号，可用 于爆炸性气体环境和爆炸性粉尘环境的防爆专业厂。
The traffic condition is very convenient. The factory was set up in 1993 and can manufacture more than 100 series products of over 800 types.
文章阐述了爆炸性粉尘环境、爆炸性气体环境危险区域的范围划定，防爆电气设备的标志、防爆电气设备的选型及爆炸性环境电气线路的设计。
This paper presents the classification of zone for hazardous area, marking for ex electrical equipments, selection of ex equipment and the design on electrical wiring used in explosive atmosphere.
爆炸性环境：必须选用相应防爆等级产品，露天安装或粉尘多场合应选用防水，防尘品种。
Explosive environment: It is necessary to choose the appropriate level of explosion-proof products, open-air installation or dust should be used more occasions waterproof, dust-proof varieties.
粉尘防爆照明应急两用灯，21区，22区危险场所。 含有爆炸性或可燃性粉尘环境。
Can be used in Zone 20 zone 21 and Zone 22 dangerous places. Can be used in explosive or flammable dust atmosphere.
粉尘防爆照明应急两用灯，21区，22区危险场所。 含有爆炸性或可燃性粉尘环境。
Can be used in Zone 20 zone 21 and Zone 22 dangerous places. Can be used in explosive or flammable dust atmosphere.
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