Warning: file_put_contents(): Only 0 of 7322 bytes written, possibly out of free disk space in /www/wwwroot/ndsq.cn/index.php on line 55 butadiene英英字典_butadiene剑桥英语解释_butadiene柯林斯英文解释_开心英文字典_柠咚词
1. N a colourless easily liquefiable flammable gas that polymerizes readily and is used mainly in the manufacture of synthetic rubbers. Formula: CH2:CHCH:CH2 丁二烯 (Systematic name buta-1,3-diene)