Can be used in IIAIIB, group explosive atmosphere.
类爆竹性气体环境。
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 potentially explosive atmosphere is constantly present on the inside of silos filled with grain (zone 20).
潜在爆炸危险的是目前不断在与粮食填补(区20)发射井内。
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。
Electrical equipment or parts of electrical equipment are immersed in a protective liquid in such a way that an explosive atmosphere above the surface of outside the enclosure cannot be? Ignited.
将电气设备的部件整个浸在保护液中，使设备不能够点燃液面上或外壳外面的爆炸性气体。
This paper presents the classification of zone for hazardous area, marking for ex electrical equipments, selection of ex equipment and the design on electrical wiring used in explosive atmosphere.
文章阐述了爆炸性粉尘环境、爆炸性气体环境危险区域的范围划定，防爆电气设备的标志、防爆电气设备的选型及爆炸性环境电气线路的设计。
Major, explosive volcanic eruptions send tons of gaseous sulfur compounds high into the atmosphere.
更重要的，火山爆发会将数吨高浓度的气态硫化合物释放入大气中。
Tools will not be used in an explosive or flammable atmosphere.
这类工具不能在易燃易爆环境中使用。
A hydrogen analyzer which can be used in atmosphere existing explosive mixtures is introduced.
介绍一种能在具有爆炸性混合物场所使用的氢气分析器。
The paper analyzed the gas contents with the index method and atmosphere chromatographic analyzer to judge the gas explosive in the fire area.
利用勒氏指数法和气象色谱仪对灾区的气体成分进行分析，判断火区内气体的可爆炸性。
Can be used in Zone 20 zone 21 and Zone 22 dangerous places. Can be used in explosive or flammable dust atmosphere.
粉尘防爆照明应急两用灯，21区，22区危险场所。 含有爆炸性或可燃性粉尘环境。
Can be used in Zone 20 zone 21 and Zone 22 dangerous places. Can be used in explosive or flammable dust atmosphere.
粉尘防爆照明应急两用灯，21区，22区危险场所。 含有爆炸性或可燃性粉尘环境。
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