Most pump manufacturers recommended that the discharge piping for centrifugal pumps be ().

A . one size larger than the pump discharge nozzle B . the same size as the pump discharge nozzle C . one size smaller than the pump discharge nozzle D . installed with a short radius elbow at the pum

时间:2022-08-30 15:20:14 所属题库:船舶辅助机械题库

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