桥梁转体施工工艺是在深山峡谷、悬崖陡壁、地形险峻的桥位上架设桥梁的有效方法。
The bridge rotation construction craft is the efficient method especially in the gorge, cliff, or arduous landform for its simple erection equipment, short time limit, safe construction.
有的峰岭夹峙峡谷自然形成了陡壁深壑。
Some peaks and ridges face each other and form deep cliffs and gullies.
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