Birth later period, cauline stalk lignification, and the pith ministry inside the bine is formed hollow.生育后期, 茎秆木质化, 而茎内的髓部则形成空心.The pith of this stemlike stele appears rather strongly like collenchyma tissue.茎状中柱的髓显得颇强健...
She was hardened by the rigours of the Siberian steppes.西伯利亚大草原的艰苦环境使她变得坚强起来。The same is true of the steppes north of the Black Sea.黑海以北的草原,也是如此.The steppes gave way to forests, and red deer took the place of horse and b...
配置ABB磨头电机, 采用气动补偿抛光装置,传动平稳,抛光亮度高.ABB motor, air - operated polishing system for steadier feed and brighter polish.前磨头至安平 、 饶阳的地方铁路与之连接.Head to the former Anping, Raoyang connect with the local railway.主要介绍的工具有:钻咀(头) 、 磨盘...