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单选题
泵的允许吸上真空高度为[Hs],则允许的几何吸高()。
A
大于允许吸上真空高度
B
等于允许吸上真空高度-吸入管路损失能头
C
等于允许吸上真空高度
D
等于允许吸上真空高度-(吸入管路损失能头和吸入速度头)
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更多 “单选题泵的允许吸上真空高度为[Hs],则允许的几何吸高()。A 大于允许吸上真空高度B 等于允许吸上真空高度-吸入管路损失能头C 等于允许吸上真空高度D 等于允许吸上真空高度-(吸入管路损失能头和吸入速度头)” 相关考题
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