When the insulated powder pass through the metalline pipe, both generate electrites of egualize in magnitude and opposite symbol.
绝缘粉末通过金属管导时，两者带上等值异号电荷。
The main material of SMC is the high purity iron powder, insulated on the surface, pressed with the powder metallurgy tech, heated to be the SMC cores.
铁芯是以高纯度的铁粉为主要原料，将粉末颗粒表面进行绝缘化处理，运用粉末冶金技术经压制成型，热处理后所制备出的一类新型软磁材料产品。
The main material of SMC is the high purity iron powder, insulated on the surface, pressed with the powder metallurgy tech, heated to be the SMC cores.
铁芯是以高纯度的铁粉为主要原料，将粉末颗粒表面进行绝缘化处理，运用粉末冶金技术经压制成型，热处理后所制备出的一类新型软磁材料产品。
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