A.6.2Mpa-7.5Mpa B.6.2Mpa-7.4Mpa C.6.2Mpa-7.3Mpa D.6.2Mpa-7.1Mpa
A.6.2Mpa-7.5Mpa B.6.3Mpa-7.5Mpa C.6.4Mpa-7.5Mpa D.6.5Mpa-7.5Mpa
A.8 B.9 C.10 D.11