24号轨道钢一根多少米
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【答案】 钢轨类型
(公斤/米)尺寸（毫米）截面面积F(厘米2)理论重量(公斤/米)高A度底B宽头C宽腰D厚轻 轨55044224.56.415.0386554257.010.768.421180.566327.014.3111.20159176377.018.8014.721890804010.023.0718.0624107925110.931.2424.46重 轨331201106012.542.533.28638134114681349.538.73431401147014.557.044.653501521327015.565.851.514