提問人：弘顏基調(diào) 2024-10-29 07:46:01 瀏覽：7979
各種直徑鋼筋的每米重量表(千克):?4mm:0.099?6mm:0.222?6.5mm:0.332?8mm:0.395?10mm:0.617?12mm:0.888?14mm:1.208?16mm:1.578?18mm:1.998?20mm:2.467?22mm:2.984?25mm:3.853?26mm:4.170?28mm:4.834?30mm:5.549?32mm:6.313?34mm:7.130?35mm:7.552?36mm:7.990?38mm:8.900?40mm:9.870