旋粉

旋粉旋粉
  1. 第四纪气候旋回孢粉植被动态组合探讨

    Approach to sporo-pollen paleovegetation dynamical association in Quaternary paleoclimate cycle

  2. 悬(旋)浮粉煤灰烘干机的研制

    A Suspended Fly Ash Dryer