Editorial Note: This article is written with editorial review and topic relevance in mind.
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. In writing, though, the use of former doesn't seem so rare.
Star Softball Player, 17, Paralyzed After ExBoyfriend Allegedly Stabs
Google dictionary has this information about the origin of ex: Does ex have a full form?
