1.To make an electromagnet you need to send a current through the wire.
为了做成磁体你需要对金属线送。
2.This paper presents a microstroke mechanism driven by electromagnets and its control circuit design.
介绍一种磁铁驱动的微进给机构及其控制路设计。
3.The main structure have:Electromagnet and Heng galvanism source, numerical type Gauss account(the effect of Huo Er) and ammeter and volt account, have control dish of illuminate the system.