Practical treatment technologies for waste electrical and electronic equipment Environmental management technology for waste electrical and electronic products office equipments & consumable Environmental management technology for waste electrical and electroic products office equipments & consumable Recycling economy strategy and engineering of electrical and electronic equipment Operational test theory and practice of electronic equipment Recycling technology of retired and discarded electronic equipment Training course of electrical and electronic experiment 并列题名：Recycling economy strategy and engineering of electrical and electronic equipment Signal isolation technology applied in power electronic equipment Government's reward-penalty mechanism for waste electrical and electronic equipment closed-loop supply chains