知識(shí)貝殼
知識(shí)貝殼
A process in which a gas istaken up by a liquid or solid,or in which aliquid is taken up by a solid. In absorption,the substance absorbed goes into the bulk ofthe absorbing material. Solids that absorbgases or liquids often have a porous struc-ture . The ......（本文共 377 字 ） [閱讀本文] >>