00486naa#a2200157#i#450# EN\\bibl\29576 20240507232518.2 2071-7318 20191014b2019####ek#y0engy0150####ca RU ACCURACY OPENING OF HOLES AFTER DRILLING Journal article Belgorod Belgorod State Technological University named after V.G. Shukhov 2019 6 с. Journal article local Goldobina V. G. bulletinbstu.editorum.ru