Road Constructional Materials is an important basic course of highway and bridge major, and is vital in the specialized teaching reform.
道路建筑材料是公路与桥梁专业的一门重要的专业基础课，在专业教学改革中占有重要的地位。
Henghai medium bridge, one section of national highway 105 (between Xijiao major bridge and Shalang) needs to be widened out in its two sides.
横海中桥是国道105线细滘大桥至沙荫段改造工程中一座需要两边加宽扩建的桥梁。
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