单项选择题
A.防止压气机喘振 B.冷却透平第2级静叶 C.冷却透平第2级动叶 D.冷却透平第3级静叶
A.2150psi B.2250psi C.2350psi D.2450psi
A.0.1inH2O B.0.2inH2O C.0.3inH2O D.0.4inH2O
A.PROCESS ALARM B.HOLD LIST ALARM C.DIAGNOSTIC ALARM
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