... treatment. Pre-treatment content :pretreatment, press works is the pre-treatment and press of oil materials. Raw materials of ... shape billet), modulation (softening), rolling embryo, steaming and roasting (dry), pressing and bulking, wet heat treatment, dry, oil residue ... .(3) evaporate Fried/conditioning: reduce oil viscosity, and regulate fuel moisture content.Rolling embryo: destroy the cellular ...