单项选择题
A.70 B.120 C.100 D.140
A.1.1 B.1.2 C.1.251 D.1.3
A.喷嘴损失 B.余速损失 C.轴端漏汽损失 D.摩擦损失
A.0.04～0.1 B.0.1～0.2 C.0.2～0.3 D.0.3～0.4
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