1·When in work, the control system automatically opens or closes the gate of the electric flashboard valve according to the signals sent by the material level meters.
工作时，控制系统根据料位仪传来的信号自动开启或关闭电动闸板阀闸口。
2·The control system feeds back the signals sent by the upper material level meter and the lower material level meter to the electric flashboard valve.
控制系统将上料位仪和下料位仪传来的信号反应到电动闸板阀。
3·Close the gunk flashboard and shot out all the plastics in the barrel under manual condition.
关上料斗闸板，用手动状态将筒内的全部塑料对空射完。