... premium casting 保质量铸件，优质铸件 premium insulation 优质绝缘 premium motor oil 高级车用汽油 ...
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绝缘体采用优质高铝瓷，具有良好的耐热冲击与机械电气性能，绝缘可靠。
Ceramic insulator provides stronger resistance against thermal shock, greater mechanic and electric strength and reliable insulation.
内部采用优质的电磁材料和电工材料，定子绝缘为E（或B）级，转子绝缘为B级。
The Intermal uses electromagnetism material and electricians material with high quality. The stator insulation is E(or B) level, the rotor insulation is B level.
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