A.≤0.5MPa B.≤0.6MPa C.≥0.72MPa D.≥0.82MPa
A.≥40℃ B.≥50℃ C.≥60℃ D.≥70℃
A.≤0.2MPa B.≤0.3MPa C.≥0.2MPa D.≥0.3MPa