A.23±2℃、6h B.23±5℃、5h C.23±5℃.6h D.23±2℃、5h
A.7 B.5 C.4 D.3
A.每秒鐘0.3-0.5MPa B.每秒鐘0.4-0.7MPa C.每秒鐘0.5-0.8MPa D.每秒鐘0.8-1.0MPa