单项选择题
A.1000KN-1500KN B.1200KN-1600KN C.1300KN-1800KN D.1200KN-1500KN
A.1900×1300mm B.1950×1300mm C.1925×1350mm D.1910×1320mm
A.25×60mm B.24.5×55mm C.25.4×60mm D.25.4×55mm