Division of explosive hazardous areas, classification of explosive compounds, characteristics and types of explosive-proof equipment are analyzed.
介绍了石油库爆炸危险区域的划分、爆炸性混合物的分级分组、防爆电气设备的种类和特点。
Explosion proof hoist equipment features safe and reliable operation in specified explosive environment.
防爆起重设备的特点是能保证在规定的易爆炸环境中安全可靠地工作。
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