jewel bearing meaning in English
宝石轴承
玉石轴承
Examples
- Jewel bearing for aviation instruments
航空仪表用宝石轴承 - The voltage ir on core adopts semienclosed insert model . the current element adopts two - stage compensation to have wide load property . the whole plasticenclosed voltage coil . can withstand instantaneous large voltage impulse . the double jewels bearing or the magnetic - propelled bearing can ensure long lifetime . the bipolar aluminium nickel cobalt damping magnet steels have high coercivity , stable magmetic property . the electric function is in accordance with iec521 international standard
：电压铁芯采用半封闭插入式，电流元件采用二级补偿使表计具有宽的负载特性。全塑封的电压线圈能称说瞬时大电压冲击。双宝石轴承或磁推动轴承确保表计长寿命。