1.floors:Stroker,V belt
2.printing units:The air operated diaphragm pump pad,the cross valve,the cross valve coil,the trachea,air operated attaches
3.slots department:The cutting tool,picks out paper knife
4.other:The bolt
highest printing speed
economy printing speed
most greatly enters the paper area
most minor offense paper area
effective printer area
adaptation cardboard
chromatography precision
slot precision
就这些