短語詞組短語bundle sheath cell 維琯束鞘細(xì)胞;琯束鞘細(xì)胞;束鞘細(xì)胞bundle sheath cell strand 維琯束鞘細(xì)胞束fiber bundle unit cell 纖維束單胞vascular bundle sheath cell 維琯束鞘細(xì)胞bundle sheath cell bsc 維琯束鞘細(xì)胞 返回 bundle cell