PDGF could increase osteoblastic surface granules, reticular fibers and intracellular calcium salt crystals, and calcium granule mitochondria.是什么意思_PDGF could increase osteoblastic surface granules, reticular fibers and intracellular calcium salt crystals, and calcium granule mitochondria.在線(xiàn)翻譯_英語(yǔ)_讀音_用法_例句