|
||||||||
|
|
| 2012, Vol. 49(2): 54-58 DOI: | ||
| Study of Shield Construction Technology in Soft Upper Stratum and Hard Under Stratum | ||
| (1 Shenzhen Municipal Engineering Corp., Shenzhen 518000; 2 Shenzhen Water Resources Planning & Design Institute, Shenzhen 518000) |
||
| Received null Revised null | ||
| Supporting info | ||
|
