n. U-iron
misc. channel iron ; channel bar
一种结构用条状铁，通常是镀了锌的，为防止变形而具有平行的槽和边。
A structural sheet iron, usually galvanized, shaped in parallel furrows and ridges for rigidity.
采用双阴极室隔膜电解槽，以多孔圆筒铸铁为阳极电解制备水处理剂高铁酸盐。
The water treatment agent ferrate is prepared by electrolysis in diaphragm bath with double cathode chamber and porous cylinder cast iron anode.
介绍了一种新型组合密封系统———气体螺旋槽与铁磁流体组合密封型式。
A new type of combined seal system with ferromagnetic flow and gas along cylindrical spiral groove is proposed in this paper.
应用推荐