911611
幼苗
共回答了27个问题采纳率:92.6% 举报
Main research direction
1. High speed heavy load track structure and track dynamics
2. Roadbed project earth labor design theory and high-speedrailroad, highway subgrade
3. Line survey design modern technology
4. Road surface synthesis design theory
5. Railroad, highway engineering disaster preventing andcontrolling and security technology
1年前
6