相关单词臨近詞permil, perm, permeability separatory apparatus, permament magnet synchronous motor, permeability variation coefficient, Permo-Carboniferous coal measure, permeability-frequency convertor, permafrost and seasonal frozen soil, permeability-increased experiment, permengemand index of oxygen demand, permeability of aesthetic education, permeability of introduction heating 返回 Permyakov