389 the distilling column( absorber, column evaporator, regenerator, column washer) is a kind of equipment for outdoor installation.
389 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。