Warning: file_put_contents(): Only 0 of 7967 bytes written, possibly out of free disk space in /home/www/wwwroot/ndsq.cn/index.php on line 55 fuming sulphuric acid是什么意思，fuming sulphuric acid的翻译，fuming sulphuric acid音标、读音、用法和例句_开心英文字典_柠咚词
a mixture of pyrosulphuric acid, H2S2O7, and other condensed acids, made by dissolving sulphur trioxide in concentrated sulphuric acid (Also called oleum, Nordhausen acid)