expandern.扩充器expandv.使 ... 膨胀；详述；扩张；增加；张开expandable movable spool膨胀式可拆卸线盘Expandedness coefficient展开系数Expanded polystyrene box发泡聚苯乙烯箱expanded perlite product膨胀珍珠岩制品expand from ... to从 ... 增加到expanding mandrel method膨胀心轴法expanded Virtual toolbox可扩展的虚工具箱expanded unit connection扩大单元接线expanding of open - up扩大开放expanded message service加强型消息服务