格板规格 Specification of Steel Grating (mm) 系 列 Series 纵条 间距 Pitch of Bearing bar 横条间距 Cross-bar Pitch 负载扁钢规格(宽×厚) Specification of bearing bar load (width ×thickness ) 20×3 25×3 32×3 40×3 20×5 25×5 1 30 100 G203/30/100 G253/30/100 G323/30/100 G403/30/100 G205/30/100 G255/30/100 50 G203/30/50 G253/30/50 G323/30/50 G403/30/50 G205/30/50 G255/30/50 2 40 100 G203