名    称寸   法 (mm)参考重量(kg)
GP   750750750300695
GP  100010001100300980
GP  1250125012005501,160
GP  1500150013005501,370
GP  1750175014008001,680
GP  2000200015508001,970
GP  22502250165010502.340
GP  25002500180010502,755