A.145kN B.155kN C.168kN D.181kN
A.8.5MPa B.9.0MPa C.9.2MPa D.9.5MPa
A.0.9 B.1.1 C.1.2 D.1.4
A.280 B.240 C.190 D.170
A.2.01m B.2.11m C.2.21m D.2.31m