down adv.向下prep.沿着...而下adj.向下的；消沉的；无礼的n.绒毛；汗毛v.击倒；打败；吞下；被抑制
双语例句
The results show that the cogging mode of upseting and side-forging process is more effective in reducing the grain size than that of press and rolling process. 结果表明，镦粗拔长开坯对细化成品钽片晶粒起了决定性的作用。
