头, 
The paper offered formula for widening the curve railway, concluded theoretic widening radius of curve railway and widening value, which offers reference for platelayer.
给出了曲线加宽的计算式,得出了曲线理论加宽半径范围和加宽值,可以被养路工段借鉴。
The paper offered formula for widening the curve railway, concluded theoretic widening radius of curve railway and widening value, which offers reference for platelayer.
给出了曲线加宽的计算式,得出了曲线理论加宽半径范围和加宽值,可以被养路工段借鉴。
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