Screw pump is a positive displacement rotary pumps, when the export side blocked after, the pressure will gradually increase, so that the pressure exceeds a predetermined value.
螺杆泵是一种容积式回转泵，当出口端受阻以后，压力会逐渐升高，以至于超过预定的压力值。
The critical equipment for multiphase flow transportation are pumps, which can be classified 'as rotary pumps or twin screw pumps.
多相流管道输送的关键设备是多相泵，而多相泵又分为旋转动力泵和双螺杆泵两大类。
The critical equipment for multiphase flow transportation are pumps, which can be classified 'as rotary pumps or twin screw pumps.
多相流管道输送的关键设备是多相泵，而多相泵又分为旋转动力泵和双螺杆泵两大类。
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