A centrifugal pump may fail to deliver water when first started if the ______.
A、watersealpipeisplugged
B、pumpisnotprimed
C、sealringisproperlylocated
D、impellerisflooded
发布时间:2025-11-01 04:03:56
A、watersealpipeisplugged
B、pumpisnotprimed
C、sealringisproperlylocated
D、impellerisflooded