Standard test method for ultrasonic examination of turbine and generator steel rotor forgings 涡轮机及发电机钢转子锻件超声波检验的标准试验方法
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High quality rotary joints and stainless steel rotor assembly installed in delicate bearing is to ensure vibration - free performance in long - term operation 高品质旋转接头及不? ? ?转轴组合在精密轴承上确保长期运转性能无振动。
