distilling column
常见例句
- It is obtained by distilling soft pitch in flash column under certain pressure and temperature .
中温沥青经过在一定的压力和温度下进行闪蒸获得。
www.koppers-china.com - It is obtained by distilling soft pitch in modified pitch column under certain pressure and temperature after certain time heating.
中温沥青经过在一定的压力和温度下，经过一定时间热处理获得。 返回 distilling column