A cover bearing and integral seat bearing guide the stem assembly for precise alignment with the seat.
阀盖轴承和整体阀座轴承引导阀杆总成，实现与阀座的精确定位。
The research results provide reference for quick and precise alignment and engineering application of SINS on stationary base.
研究结果可为SINS静基座快速精确对准及其工程应用提供参考。
The research results provide reference for quick and precise alignment and engineering application of SINS on stationary base.
研究结果可为SINS静基座快速精确对准及其工程应用提供参考。
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