The distilling column (absorber, column evaporator, regenerator, column washer) is a kind of equipment for outdoor installation.
蒸馏塔(吸收塔、蒸发柱、再生塔、洗涤塔)是一种室外安装的设备。
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 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。
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。
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