The utility model relates to a bed sheet preventing child from treading a quilt, characterized in that a bed sheet (1), a screen sheet (2) and a safety belt (3) are associated components.
Of course, according to the actual condition of material, including the whole equipment includes vibrating feeder, conveyer belt (belt machine), vibrating screen and wash the sand machine.
当然，根据实际物料情况，其中整套设备还包括振动给料机、输送带(皮带机)、振动筛和洗砂机。
3
One set for measuring the belt conveyor coal capacity formed by PLC, touching screen and revolving coder is introduced in this paper.