弹性填缝料 caulking material: 嵌缝材料; 填隙料asphaltic mastic caulking material: 沥青胶泥密封材料elastic material: 弹性材料elastic impression material: 弹性印模材料elastic isotropic material: 弹性均值材料下载手机词典可随时随地查词查翻译