1)three-high piercing,三辊穿孔2)Three-roll piercing mill,三辊穿孔机3)trio-cross,三辊4)three-roller curving,三辊滚弯5)roller,三辊机6)Three-roll rolling process,三辊轧制
用法例句
According to the disposal characters of trio-cross wedge rolling roller,the paper brings out a billet circumrotate assumption of circumference during rolling-even process.
