@article{yjycl2108474147518414850, title = {井下掘进支护问题及应对措施研究}, author = {孙丁丁}, journal = {冶金与材料}, year = {2023}, number = {4}, pages = {166--168}, issn = {2096-4854}, url = {https://yjycl.hljsm.org.cn/articles/2108474147518414850}, }