防爆标志(Ex-mark) ：Ex eⅡ 适用范围：用于 1 区和 2 区 用于21 区和22 区 使用环境温度：-40℃铌a铌¤80℃ 防护等级 ：IP66 材料：铜制表面镀镍...
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This article gives a instruction of national standard on the nameplate requirement of Ex product,meanwhile it gives several examples of the items in the nameplate according combined with standard and explanation of the Ex mark.
文章就国家防爆标准对防爆电气设备标志的要求进行了说明,同时结合标准要求对防爆电机和防爆电器铭牌的标注项目进行了举例,并通过防爆标志实例对防爆标志各项信息进行了解释说明。
参考来源 - 防爆电气产品铭牌的技术要求·2,447,543篇论文数据，部分数据来源于NoteExpress
以上来源于: WordNet
Things got worse in September when Oracle hired HP's ex-boss, Mark Hurd, who had been pushed out the previous month.
在九月，情况变得更糟了，当时甲骨文(Oracle)雇用了惠普的前总裁马克·赫德(Mark Hurd)，他在前一个月已经被迫退出惠普。
In fact, it was always anticipated that January, when Mikel and Essien are on African Nations Cup duty, would be the time for the ex-Reading man to make his mark.
事实上，在一月米克尔和埃辛前去参加非洲杯的时候，正是这个雷丁中场展现自己实力的机会。
Mark Draper, Ex-West Ham midfielder, shows off his knowledge of geography.
德雷珀，前西汉姆联队前卫，在炫耀他的地理知识。
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