標題: ASTM C 1504M-2004暴風雨排水管用增強預制混凝土三邊結構的制... [打印本頁] 作者: 兌水 時間: 2009-9-23 19:31 標題: ASTM C 1504M-2004暴風雨排水管用增強預制混凝土三邊結構的制... C1504M-03 Standard Specification for Manufacture of Precast Reinforced Concrete Three-Sided Structures for Culverts, Storm Drains (Metric)