Warning: file_put_contents(/home/www/wwwroot/zidian/totle.com.cn/cache/dd9dcf1b499b380ad1d0c151d2495ffc.txt): failed to open stream: No space left on device in /home/www/wwwroot/zidian/totle.com.cn/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_乐豆毛深蓝词典
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 热量扩散率