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.

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双螺杆泵系列产品分为单吸双螺杆泵和双吸双螺杆泵两大类。

Double screw pump series products are divided into single suction of two kinds of double screw pump and double suction double screw pump.

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双螺杆泵系列产品分为单吸双螺杆泵和双吸双螺杆泵两大类。

Double screw pump series products are divided into single suction of two kinds of double screw pump and double suction double screw pump.

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