常用钢筋重量规格表 HYPERLINK :88yiguangtun.blog.163blogstatic130782633200992225635502 l 默认分类 ??2009-10-22 14:56 ??阅读269???评论0 ? 字号: HYPERLINK :88yiguangtun.blog.163blogstatic1307826332
鋼筋每公尺重20.4公斤相同的鋼筋8.5公尺共重幾公斤《答案》173.4公斤詳解:20.4×8.5173.4