elastic volumetric contraction弹性体: elastomer; elastic body积: amass; store up; accumulate收缩: contract; shrink热体积收缩: volumetric thermal contraction体积收缩: contraction of volume; shrinkage of volume; volume contraction; volume shrinkage; volumetric contraction; volumetric shrinkage下载手机词典可随时随地查词查翻译