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。
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。
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