bar r electromagnet 条形电磁铁
The iron bar was placed across the poles of the electromagnet. Then the coil of the electromagnet was connected to a battery.
这根铁条被放在电磁铁的两个极上，然后，将电磁铁的线圈接通电源。
An extension line with a certain distance to the steel bar discharge hole is provided with a contact travel switch. A wire is connected between the travel switch and a clutch electromagnet.
在距离钢筋出料口一定距离的延长线上设有一个接触式行程开关，行程开关与离合器电磁铁之间连接有导线。
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