爆炸性粉尘 meaning in English

explosive dust

For the dangerous sites with explosive dust mixture : 11division
爆炸性粉尘混合物危险场所： 11区。
The pressure switches are also available for the installation within the explosive - endangered area in zone 2 gas - ex , category 3g and or zone 22 dust - ex , category 3d
压力开关也可以安装在2类爆炸-危险区域爆炸性气体，分类3g和或22类区域爆炸性粉尘，分类3d 。