单词	smooth dowel
释义	smooth dowel 光面铁条榫
随便看	membrane sealing membrane seal mechanical pump membrane seepage prevention membrane selection membrane selectivity membrane semipermeability membrane, semi-permeable membrane, semi-permeable dynamic membrane membrane sensor membrane seoaration membrane separaliwn membrane-separate membrane separates technology membrane separating membrane separating technique membrane skinner membranes material Membranes,Mucous membrane separation membrane-separation membrane separation device membrane separation efficiency membrane separation equipment membrane separation for removing impurities membrane separation method