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The pump stroke sensor is installed near the rotary shaft of mud pump.
泵冲传感器装在钻井泵转轴附近。
youdao
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The utility model relates to a pump valve of a well drilling mud pump.
本实用新型涉及钻井泥浆泵的泵阀。
youdao
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The utility model relates to a pump valve of a well drilling mud pump.
本实用新型涉及钻井泥浆泵的泵阀。
youdao