Extonn.埃克斯顿EXTabbr.扩展（=extension）abbr.外面的；外部的（=exterior）abbr.额外的（=extra）extemporal handling临场处置exterritorial right治外法权权利extremum extracting极值检测extemal equilibrium外部均衡extemporaneous poem即兴诗extrudate expansion挤出物膨胀extruding parameter挤压参数extensible conveyor伸缩式运输机extruding-machinen.挤芯棒机extremitas inferior下肢