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18.4.2 Screw-Type Positive Displacement Rotary Pump
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18.4.2 Screw-Type Positive Displacement Rotary Pump圖片（共2張） :
18.4.2 Screw-Type Positive Displacement Rotary Pump

        There are many variations in the design of the screw type positive displacement, rotarypump. The primary differences consist of the number of intermeshing screws involved, thepitch of the screws, and the general direction of fluid flow. Two common designs......（本文共 2849 字, 2 張圖）     [閱讀本文] >>

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