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在山区河流,溪沟中,有大量天然砂砾,利用这些砂砾材料铺筑油路基层,已在各地大量采用,并已成为我省近年来大力推广的油路基层之一。现将我们在南(康)小(梅关)线采用砂砾补强油路基层的做法和体会介绍如下:
In mountainous rivers and streams and ditches, there are a large number of natural grit. Using these gravel materials to pave the oil base has been widely used in various places and has become one of the grassroots units in our province that have been vigorously promoted in recent years. Now we in South (Hong) small (Mei Guan) line gravel reinforcement of oil grassroots approach and experience introduced as follows: