双螺杆泵作为一种容积式泵，泵内吸入室应与排出室严密地隔开。
Double screw pump as a positive displacement pump, the pump suction chamber should be closely separated and discharge chamber inside.
吸入室的形状决定了混输泵的压缩级进口的速度分布，对混输泵的性能有一定的影响。
The shape of the suction chamber decides the inlet velocity distribution of the compression grade in the multiphase pump, and affects the performance of the multiphase pump to a degree.
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