explosive-proof box 水封防爆箱
explosive-proof equipment 防爆电气设备
Explosive-proof requirements 防爆等级要求
explosive-proof test system 防爆检测系统
The grade for explosive-proof reaches advanced level of the same products in foreing countries.
其防爆等级达到了国外同类产品的先进水平。
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。
Heating cable cross: must be used in explosive situations linear supporting proof junction box, the general situation can also be used splice or welding.
伴热电缆的交叉：在易燃易爆场合必须采用配套的防爆直线型接线盒，一般场合也可以采用绞接或焊接。
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