|
||||||||
|
|
| 2020, Vol. 57(4): 1-11 DOI: | ||
| The Key Way is to Release the Genuine Rock Pressure—Discussion on Problems of Tunnelling in Squeezing Ground | ||
| （China Railway Southwest Research Institute Co., Ltd., Chengdu 611731） | ||
| Received null Revised null | ||
| Supporting info | ||
|
