He backs off and removes a rolled piece of paper from his jumpsuit.
他退后几步,从病号服中拿出一张卷起的纸。
The conical roller bed can achieve transportation and turning for rolled piece.
该锥形辊道实现了轧件的运输与旋转。
The tracking and controlling of the rolled piece was the base of computer control system.
轧件跟踪控制是计算机过程控制的基础,是实现自动控制的关键。
应用推荐