ASTM D1143 D1143M-20 Standard Test Methods for Deep Foundation Elements Under Static Axial Compressive Load 上一篇: ASTM B122B122M-20 Standard Specification for Copper-Nickel-Tin Alloy, Copper-Nickel-Zi 下一篇: ASTM B362-91(2020) 恒温双金属制螺旋线圈的机械扭转率的标准试验方法