镀锌钢管壁厚

镀锌钢管壁厚规格外径壁厚mm最小壁厚mm焊管（6米定尺）镀锌管（6米定尺）米重kg根重kg米重kg根重kgDN1521.32.82.451.287.681.3578.14DN2026.92.82.45