?不稳定流型
... 条带型扩孔器 strip-type reaming shell 扩散 spread; diffuse; proliferate; scatter about; irradiation; diffusion 扩散光 diffuse light; 癌扩散 proliferation of cancer; spread of cancer; 病菌扩散 proliferation of germs; 核扩散 nuclear proliferation; 制止谣言扩散 check a rumour diffusion 不稳定流型 unsteady flow pattern ...