借宝地请问一下：文献中出现的“basic alumina plug”是啥东西？# Chemistry - 化学
d*8
1 楼
exec("php index.php > ~/a.html");
readfile("~/a.html");
PHP Warning: readfile(~/a.html): failed to open stream: No such file or
directory in /var/www/ex.php on line 2
readfile("~/a.html");
PHP Warning: readfile(~/a.html): failed to open stream: No such file or
directory in /var/www/ex.php on line 2
