A.0.5~1.0KN/s B.1.0~1.5KN/s C.0.5~1.5KN/s D.1.5~2.0KN/s
A.2 B.3 C.4 D.5
A.≤0.10MPa B.≥0.10MPa C.≤0.20MPa D.≥0.20MPa