单项选择题
A.切断轴封供汽 B.停止循环水泵 C.停止凝结水泵
A.100 B.120 C.80
A.0.055～0.06 B.0.06～0.065 C.0.055～0.065
A.0.00097～0.0099 B.0.097～0.099 C.0.0097～0.0099
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