Warning: file_put_contents(): Only 0 of 5220 bytes written, possibly out of free disk space in /www/wwwroot/ppbbu/73904.com/index.php on line 55 diffusivity英英字典_diffusivity剑桥英语解释_diffusivity柯林斯英文解释_骑士汉英词典
1. N a measure of the ability of a substance to transmit a difference in temperature; expressed as the thermal conductivity divided by the product of specific heat capacity and density 熱量擴散率