1. Press the central switch: press the first full-liang, the second press the micro-light, the third press the flashing, press out the fourth.
按下中部开关：第一次按下全亮，第二次按下微亮，第三次按下闪烁，第四次按下熄灭。
2. Forging press, eccentric press, trimming press, knuckle joint coining and embossing press, pneumo-hydraulic hammers, rolling mill, cross wedge rolling machine, screw press.
锻压机，偏心压力机，整修压力机，关节接头模压和凹凸压力机，气动液压锤，轧钢机，横向楔形轧钢机，螺旋压力机。
3. Forging press, eccentric press, trimming press, knuckle joint coining and embossing press, pneumo-hydraulic hammers, rolling mill, cross wedge rolling machine, screw press.
锻压机，偏心压力机，整修压力机，关节接头模压和凹凸压力机，气动液压锤，轧钢机，横向楔形轧钢机，螺旋压力机。
4. Forging press, eccentric press, trimming press, knuckle joint coining and embossing press, pneumo-hydraulic hammers, rolling mill, cross wedge rolling machine, screw press.
锻压机，偏心压力机，整修压力机，关节接头模压和凹凸压力机，气动液压锤，轧钢机，横向楔形轧钢机，螺旋压力机。
5. Forging press, eccentric press, trimming press, knuckle joint coining and embossing press, pneumo-hydraulic hammers, rolling mill, cross wedge rolling machine, screw press.
锻压机，偏心压力机，整修压力机，关节接头模压和凹凸压力机，气动液压锤，轧钢机，横向楔形轧钢机，螺旋压力机。
