Group II: For use in other areas that may be endangered by a potentially explosive atmosphere.
第二组：用于其他领域，可能受到危害的一个潜在的爆炸性的气氛。
Group II: For use in other areas that may be endangered by a potentially explosive atmosphere.
第二组：用于其他领域，可能会危及一个可能具有爆炸性的气氛。
A place in which an explosive atmosphere consisting of a mixture with air of flammable substances in the form of gas, vapour or mist is present continuously or for long periods.
爆炸性环境中的爆炸混合物以气体、蒸气或薄雾形式连续出现或长时间存在的场所。
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