000 00423nam a2200109Ia 4500
008 230718s9999 xx 000 0 und d
100 _aXinxian Zhai et al.
245 0 _aCombined Supporting Technology with Bolt-Grouting and Floor Pressure-Relief for Deep Chamber
650 _aComputer science, information & general works
856 _uhttps://new.zodml.org/sites/default/files/2023-07/combin1%20%281%29.pdf
942 _cEBK
999 _c19668
_d19668