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保安矿柱
释义
保安矿柱
Encyclopedia
工学
回采预留矿柱
释
safety pillar
保安矿柱
为保护地表重要设施、地貌和主要井巷,避免其因井下开采影响而产生破坏,或分隔含水层及破碎带、矿段或矿块等目的而留设不采或暂时不采的部分矿体。
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silicosis
Silicothermic process for smelting magnesium
Si Li detector
Si-Li detector
silijianjingchangben
Silim Gol plateau
Siling Co
siling poetry style
Silin Hydropower Station
silique
silistor
silit
Silius Italicus
Siljan Ring crater
silk
silk and bamboo instrumental music of Yichang Sizhu in Hubei province
silk and hemp fabrics unearthed in qianshanyang site
silk and hemp fabrics unearthed in qingtai village
silk and wool fabric unearthed in bazarek tomb
silk ball patterns
Silk bedding
silk bedding
Silk Book of Chu
Silk Books from a Tomb at Mawangdui in Chang Sha
Silk Books of Lao Zi from a Tomb at Mawangdui in Changsha
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