Mud seat is equipped with a four skeleton oil seal and the sleeve to prevent shaft wear and tear, extending the service life of shaft.
泥浆泵座中装有四只骨架油封和轴套，防止轴磨损，延长轴的使用寿命。
Block in the mud with four skeleton oil seal and sleeve to prevent shaft wear and prolong the service life of shaft.
泥浆泵座中装有四只骨架油封和轴套，防备轴磨损，延伸轴的应用寿命。
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