单项选择题
A.不大于35% B.20%-80% C.30%-70%
A.12500Kg/h B.11643.83Kg/h C.13028.28Kg/h
A.2.4Mpa B.2.3Mpa C.2.5Mpa D.2.6Mpa
A.2.8-3.15 B.2.7-2.9 C.2.3-2.5 D.2.3-2.8
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