Warning: file_put_contents(/www/wwwroot/ppbbu/28094.com/cache/008f5ad5423fb14a04a5d9386f8ee6f6.txt): failed to open stream: No space left on device in /www/wwwroot/ppbbu/28094.com/index.php on line 55 acetic anhydride例句_acetic anhydride英汉例句_acetic anhydride双解例句_贰靶汉英词典
The Beckmann solution consists of acetic acid, hydrochloric acid and acetic anhydride, and was widely used to catalyze the rearrangement. 貝尅曼溶劑被廣泛用來催化重排反應，其實際成分爲乙酸，鹽酸和乙酸酐。