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山岭重丘区山间盆地高等级公路纵坡设计，必须“精打细算”、“斤斤计较”。山间盆地高等级公路多为借士填方路堤，纵坡“控制点”不仅影响工程建设投资，而且影响沿线地方经济发展。
Mountain heavy hill area mountain basin high-grade highway longitudinal slope design, must be “careful planning”, “preoccupied.” Most of the mountainous basin highways are borrowed embankments, and the “control points” of the longitudinal slope not only affect the investment in construction but also affect the local economic development along the line.