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S dárkovým poukazem nešlápnete vedle. Obdarovaný si za dárkový poukaz může vybrat cokoliv z naší nabídky.
There are nine chapters in this paper. The main contents include: the technology foundation and preparation of roadbed and pavement construction, construction of roadbed and disease prevention and control technology (including soil roadbed construction technology, stone roadbed construction technology, construction technology of wet soft soil area, swelling soil, saline soil, frozen soil, landslide sections, desert areas and other special roadbed), construction technology of roadbed drainage and protection engineering, the technology of three cementing materials and mixture material commonly used on the road, road cushion and the base construction technology, asphalt pavement construction technology, cement concrete pavement construction technology, quality management, inspection and acceptance of roadbed construction, summary and innovation of roadbed pavement training technology.