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。
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。
应用推荐