The electricity fitting according to program of the hydraulic system then choices the work way, Refers in the discovery news leads make the electromagnet work in order to finish the stipulation the craft operating cycle.

• 电气装置按照液压系统规定的动作程序，选择规定的工作方式，在发现讯件的指领下，使有关的电磁铁动作以完成规定的工艺动作循环。