不经批准，不允许在高温易爆气体环境中使用电动工具。
Electrical power tools should not be used in gaseous or explosive atmospheres, unless approved for such use.
本文第六部分探讨易燃易爆气体和危险化学品的安全管理。
This paper discussed the sixth part inflammable and explosive gas and hazardous chemical materials safety management.
甲烷作为瓦斯、天然气、沼气等的主要成分，是易燃易爆气体。
Methane is inflammable and explosion hazard gas as the basis of mash gas, firedamp and rock gas.
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