如电气设备为II类隔爆型，气体组别为B组，温度组别为T3，则防爆标志为：exdiibt3。
Such as electrical equipment for class II flameproof, gas group temperature classes for group B, for T3, then mark is: ExdIIBT3 explosion.
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.
以上产品均取得生产许可证、防爆合格证、安全标志准用证、科学技术新产品鉴定证书等。
The above products have all been approved the certificates of production licence, flame-proof certification, safe mare licence and scientific and technologic new product assay certification and so on.
以上产品均取得生产许可证、防爆合格证、安全标志准用证、科学技术新产品鉴定证书等。
The above products have all been approved the certificates of production licence, flame-proof certification, safe mare licence and scientific and technologic new product assay certification and so on.
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