题目内容
(请给出正确答案)
[单选题]
已知某,离心泵型号为400YD250³2型,其型号的含义是()。
A.入口管径400mm,多级油泵,总扬程250m,2级泵
B.扬程400m,多级油泵,流量250m3/h,2级泵
C.流量400m3/h,多级油泵,总扬程250m,2级泵
D.入口管径400mm,多级油泵,单级扬程250m,2级泵
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A.入口管径400mm,多级油泵,总扬程250m,2级泵
B.扬程400m,多级油泵,流量250m3/h,2级泵
C.流量400m3/h,多级油泵,总扬程250m,2级泵
D.入口管径400mm,多级油泵,单级扬程250m,2级泵
A.入口管径400mm,多级油泵,总扬程250m,2级泵
B.流量400m3/h,多级油泵,总扬程250m,2级泵
C.入口管径400mm,多级油泵,单级扬程250m,2级泵
D.扬程400m,多级油泵,流量250m3/h,2级泵
A.流量750m3/h,扬程550m
B.扬程750m,流量550m3/h
C.管径750mm,流量550m
D.管径750mm,扬程550m
A.2×JL/GIA-500/45
B.3×JL/GIA-300/40
C.4×JL/GIA-300/40
D.1×JL/GIA-500/45