tubular type axial flow pump
... tubular pump-turbine 贯流可逆式水轮机 tubular type axial flow pump 管流泵 ; 直管轴流泵 ; 管流泵直管轴流泵 ; 管式轴流泵 tubular type axihas flow pump 管流泵 ...
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短语
管流泵直管轴流泵
tubular type axial flow pump
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