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【单选题】
已知某叶片泵的额定压力为 p = 16MPa ,额定流量 Q=330L/min ,设液压泵的总效率为 η=0.9 ,机械效率为 ηm=0. 93 。泵的泄漏流量是 ( )。
A.
Qc ＝ 12L/min
B.
Qc ＝ 9L/min
C.
Qc ＝ 10L/min
D.
Qc ＝ 11L/min
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相关题目：
【单选题】患者,男性,63岁。出现脓血便2周,首选的检查方法是
A.
直肠镜检查
B.
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