穿越风积沙、低液限粉砂土、丘陵落水洞以及湿陷性黄土地带……这对公路建设者来说,无疑面临着巨大的挑战!山西河津至运城高速公路建设管理处的一班人马积极面对,迎难而上,经过两年的奋力拼搏,终于谱写了一首理论与实践相结合的交响乐章…… Through the aeolian sand, low liquid limit silt, hilly water holes and collapsible loess ...... This road construction, it undoubtedly faces a huge challenge! Shanxi Hejin Yuncheng Expressway Construction Management Office Faced with people, they face the challenge, and after two years of hard work, they finally wrote a symphony composed of theory and practice.