The vascular has one or three flats cells.The cork cambium originated from the pericyclic cells and created multi layer of phelloderm parenchyma cells.是什么意思_The vascular has one or three flats cells.The cork cambium originated from the pericyclic cells and created multi layer of phelloderm parenchyma cells.在線(xiàn)翻譯_英語(yǔ)_讀音_用法_例句