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竖井凿岩
释义
竖井凿岩
Encyclopedia
工学
竖井施工方案
释
shaft drilling
竖井凿岩
竖井施工中,在井筒围岩上钻凿炮孔的作业。是竖井掘进中的一项主要工序,约占整个掘进循环时间的20%~30%。
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culture of red drum
culture of Ruditapes philippinarum
culture of Saccharina japonica
culture of salmon or trout seed
culture of Sargassum fusiforme(Harvey) Setchell
culture of Scapharca subcrenata
culture of Sciaenops ocellatus
culture of Scophthalmus maximus
culture of Scylla paramamosain
culture of sea cucumber
culture of sea urchin
culture of sea urchin Strongylocentrotus nudus
culture of seaweeds
culture of Sebastidae
culture of Seriola dumerili
culture of shrimp
culture of Siganus fuscessens
culture of Siganus guttatus
culture of Sinonovacula constricta
culture of sipunculid worm
culture of Sparidae
culture of Strongylocentrotusintermediu
culture of Takifugu Obscurus
culture of Takifugu rubripes
culture of Tegillarca granosa
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