... D Sections:cleaning,crushing,germ pressing,softening and prepressing, Oil Pretreatment Machine Specification: 30~3000T/D Sections:cleaning,crushing ... ,germ pressing,softening and prepressing,etc. Oil Pretreatment MachinePretreatment and prepressing section is a very important ... the total fat loss,increase oil yield and output and improve the quality of oil and cake&meal.3. ...