Warning: file_put_contents(/www/wwwroot/ppbbu/62383.com/cache/b94188e8d6d0e5a95116addb322f5f3f.txt): failed to open stream: No space left on device in /www/wwwroot/ppbbu/62383.com/index.php on line 55 bromination例句_bromination英汉例句_bromination双解例句_流逝汉英词典
In cases of doubt the changes following hydrogenation, bromination or other chemical attack upon the double bond can be studied. 在有疑问时可以研究双键的氢化，溴化或其他化学反应所引起的变化。