爆炸性气体混合物危险场所:2区。
For the dangerous sites with explosive air mixture: 2 division.
此授权我们生产设备和保护系统的组成部分,在潜在爆炸性气体环境中使用。
This authorization we production equipment and protection system component, in potential explosive gas environment use.
此授权我们生产设备和保护系统的组成部分,在潜在爆炸性气体环境中使用。
This authorization we production equipment and protection system component, in potential explosive gas environment use.
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