Based on the pitch surface construction practice in Chang-Jin highway, this paper analyses the control of factors that affect the smooth of pitch Road surface.
For the construction readiness, technology and main points, the paper introduced the application of chemical churning pile to strengthening earth subgrade.
For the technical problem and treatment methods of Changjin Expressway construction, the paper introduced the experience and thought on bridge, subgrade, pavement and protective engineering etc.
youdao
4. 根据谷子播种期长的特点，我们以播期为前提，探讨了晋谷14号的生长发育规律。
According to the characteristics of long sowing time of millet, we discuss on the developmental regularity of Jingu MilletNo. 14 on the premise of sowing time.
youdao
5. 根据谷子播种期长的特点，我们以播期为前提，探讨了晋谷14号的生长发育规律。
According to the characteristics of long sowing time of millet, we discuss on the developmental regularity of Jingu MilletNo. 14 on the premise of sowing time.
