Submit a sample of academic writing, e.g., a dissertation chapter. 粉尘防爆电机ex td b21 ip65 t135 (度)是什么意思? 先介绍一下防尘防爆电机 早的防尘防爆电机是yfb防爆电机 yfb粉尘防爆电机的外壳根据其限制粉尘进入电机的能力可分. Does ex have a full form?
Google dictionary has this information about the origin of ex: 防爆标志是设备的身份证,了解其含义有助于把握设备的防爆级别和适用环境。那么,ex db ib iic t4 gb代表什么? ex标志表明设备具有防爆性能,这是防爆设备的必备标. Is short for exempli gratia, and is in common use to introduce an example within a sentence.
防爆标志ex d iic t6 gb是一个详细的电气设备防爆标识,它由多个部分组成。 ex是中国及国际电工委员会的防爆标志,表示该设备遵循gb3836和iec60079的防爆标准。 d代. But what is the origin of the usage as a prefix in the words.