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.
双螺杆泵为一种双吸式非密闭的双螺杆泵。
Double screw pump is a kind of double suction not airtight double screw pump.
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 kind of rotary pump, when the outlet end is blocked, the pressure will gradually increase, so that more than a predetermined pressure value.
单螺杆泵是一种新型的内啮合回转式容积泵。主要工作部件是偏心螺杆（转子）和固定的衬套（定子）。
Single-screw pump is a new volume of the inner rotary gear pump. The main working parts are eccentric screw (rotor) and fixed bushing (stator).
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.
容积式泵包括往复泵、螺杆泵和齿轮泵等，离心泵和轴流泵等则属于动力式泵。
Positive displacement pump including reciprocating pump, gear pump and screw pump, centrifugal pumps and axial flow pump belong to pump power.
容积式泵包括往复泵、螺杆泵和齿轮泵等，离心泵和轴流泵等则属于动力式泵。
Positive displacement pump including reciprocating pump, gear pump and screw pump, centrifugal pumps and axial flow pump belong to pump power.
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