elasticadj.灵活的；有弹性的；可变的n.橡皮圈；有松紧的东西elastic reel弹性伸缩纱框elastic mass弹性体elastic core弹性核心elastic mesh弹性网格elastic seal弹性填料elastic tape松紧带elastic plan弹性计划elastic gain弹性增值elastic part弹性元件Elastic Weft弹力纬纱