压延工序 the drawing process

黑色金属冶炼及压延加工业 smelting and pressing of ferrous metals

有色金属冶炼及压延加工业 smelting and pressing of non-ferrous metals

压延加工 rolling ; calendering

压延工艺 calendering technology

压延机操作工 CL Chip Feeder

切削和压延拉伸工具 cutting and drawing tools