正确答案: C
8m
题目:锅炉汽压为0.5MPa,其水位比热水井水位高2m,其给水泵排压为0.55MPa,吸压为-0.05MPa,则该泵管路阻力约为( )(设1MPa≈100m水柱高)。
解析:C
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举一反三的答案和解析:
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离心泵
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two air starting containers of approximately equal size
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机动船让帆船
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the sinking of tail shaft
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I、II
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3~4/4~5