Warning: file_put_contents(/www/wwwroot/ppbbu/5356789.com/cache/a4b67a9673c39a29b1c20bd5afe2721f.txt): failed to open stream: No space left on device in /www/wwwroot/ppbbu/5356789.com/index.php on line 55 coefficient of expansion英英字典_coefficient of expansion剑桥英语解释_coefficient of expansion柯林斯英文解释_零六五六深蓝词典
1. N the amount of expansion (or contraction) per unit length of a material resulting from one degree change in temperature 膨脹系數 (Also called expansivity)