Electrical apparatus for use in the presence of combustibledust - Part 0: General requirements.
有可燃性粉尘场合用电气设备。第0部分：一般要求。
2
These zones establish the differences in the periods of occurrence of a cloud of combustibledust in the air during normal operations.
这些区域建立在正常操作中，在空气中的可燃粉尘云发生时间的差异。
3
The blast was traced to combustibledust that had collected in a "polishing workshop" duct in a recently completed factory complex in Chengdu, the capital of Sichuan province.