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坑道爆破技术
释义
坑道爆破技术
Encyclopedia
理学
坑探工程
释
rock blasting in tunnel
坑道爆破技术
在坑道内,将凿岩机凿出的钻眼(炮孔)里装填炸药,利用其爆炸产生的作用来破碎岩石,实现掘进的能量。
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Inscribed Stones of Qin Dynasty
inscribed stones of Qin Dynasty
Inscribed Stones on Taishan Mountain
inscribed tetragon
inscribed tetrahedron
inscribed triangle
Inscribed Wooden Tablet in Qingchuan County
inscriber
inscribing
inscriptible quadrilateral
inscription
Inscription of 20 Longmen Statues
Inscription of a Eulogy on the Burial of a Crane
inscription of a Eulogy on the Burial of a Crane in the Liang Dynasty
Inscription of Dragons
Inscriptionof DukeSong's dagger-axe
Inscription of Jinci Temple
Inscription of KingGoujian’s Sword
Inscription of Sacrifice on Mount Tai
Inscription of Shaoshi Causeway Towers
Inscription of Sweet Spring in Jiucheng Palace
Inscription of Taishi Causeway Towers
Inscription of The Peony Pavilion
Inscription of the Poem Entitled Zhang Haohao and Prologue
Inscription of Vajracchedikā-sūtra at Taishan Mountain
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