single-stagedouble-suction centrifugal pump
...级单吸悬臂式离心泵 single-stageend-suction centrifugal pump 单级双吸式离心泵 single-stagedouble-suction centrifugal pump 单极高压直流系统 monopolar/unipolar HVDC system ..
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短语
单级双吸离心式泵
single stage double suction centrifugal pump