冷冻-真空吸附法
freezing-vacuum adsorption
选择吸附
selective adsorption
Selected adsorption
Selective absorption
adsorption selectivity
coke - oven benzene
adsorption of natural gasoline
PA
选择性吸附脱硫
selective adsorption desulfurization
锈蚀吸附
iron corrosion rust adsorption