Mgabbr.元素镁（=magnesium）abbr.毫克（=milligram）MG.machine单烘缸纸机Mg substrate镁基材Mg - Al HT番茉莉碱MG-service服务Mg-Fe ball镁铁球Mg - alloy镁合金MGARCH model向量GARCH模型MG cap paper机制有光纸Mg-RE phase镁-稀土相Mg-Ca alloy镁钙合金