Warning: file_put_contents(): Only 0 of 4932 bytes written, possibly out of free disk space in /www/wwwroot/ppbbu/62383.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_流逝汉英词典
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)