A.≤1.5kp B.≤0.5kp C.≤1kp D.≤0.05kp
A.≤0.1Mpa B.≤0.12Mpa C.≤0.005Mpa D.≥0.2Mpa
A.180℃ B.80℃ C.100℃ D.120℃