单项选择题
A.155℃/h B.145℃/h C.135℃/h D.125℃/h
A.30℃/h B.50℃/h C.60℃/h D.80℃/h
A.0.2~0.3Mpa B.03~0.4Mpa C.0.4~0.5Mpa D.0.5~0.6Mpa
A.1 B.2 C.3 D.4
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