操作性增塑剂弹性剂弹性予体增弹剂elasticcircularsandwichbeam: 弹性圆形夹合梁elasticated net: 弹力网; 弹性网elasticcord: 松紧线elastically-supported girder: 弹性支撑梁elasticdeformation: 弹性形变下载手机词典可随时随地查词查翻译
