The painted ABS plate had good electromagnetic shielding effectiveness.
涂料涂覆的ABS板的电磁屏蔽性能较好。
It is driven not by the adhesion force from the contact between wheel and rail, but by the electromagnetic force from reaction plate which is mounted in track.
它不是由轮轨间的粘着力驱动，而是由安装在轨道的反应板产生的电磁推力驱动的。
So compared with flat spiral coils, the uniform pressure electromagnetic coils take a distinct advantage in the plate forming and can be widely used.
故相比较现在普遍使用的平板螺旋线圈，均匀压力线圈在平板电磁成形中有明显优势。
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