cul-de-sac porosity是什么意思，cul-de-sac porosity的翻译，cul-de-sac porosity音标、读音、用法和例句

Warning: file_put_contents(): Only 0 of 8200 bytes written, possibly out of free disk space in /www/wwwroot/ppbbu.com/index.php on line 58
cul-de-sac porosity是什么意思，cul-de-sac porosity的翻译，cul-de-sac porosity音标、读音、用法和例句_英语字典