砂轮主轴采用静动压轴承，主轴箱和导轨部分可分离，便于维修和更换。
The main shaft of grinding wheel adopts dynamic-static pressure bearing; the main shaft case and guide rail are separable so that they are convenient to service and replace.
砂轮主轴采用静动压轴承，主轴箱和导轨部分可分离，便于维修和更换。
The main shaft of grinding wheel adopts dynamic-static pressure bearing; the main shaft case and guide rail are separable so that they are convenient to service and replace.
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