Technically speaking in both roofs the structure is composed by two longitudinal steel beams with 0, 95m section — and which cover varying spans of up to 30m.
技术层面而言，两个屋顶结构都是由两个切面为0.95米的纵向钢梁组成，涵盖的跨度达30米。
When a turnout is connected with CWR through welded joints, the longitudinal rail temperature force ACTS directly on the frog and the switch section along with the variation of rail temperature.
道岔与无缝线路焊接后，随着轨温的变化，长钢轨纵向温度力将直接作用于道岔的撤叉和转撤部分。
With China's mountain freeway mileage increasing, The climbing lane has become an effective measure to improve the capacity of the specific longitudinal section and security.
随着我国山区高速公路里程的不断增加，爬坡车道已成为提高特定纵坡路段通行能力和安全性的一种有效措施。
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