end-to-end placed cells

placed是什么意思... ... dry-placed fill 干填土 end-to-end placed cells 纵向排列电解槽 hand-placed concrete 人工浇筑混凝土 ...

纵向排列电解槽,end-to-end... ... ) end-to-end placed cells 纵向排列电解槽冶> ) electrolytic cadmium cell 镉电解槽冶> ...