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underground service drilling hole
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underground service drilling hole
Encyclopedia
工学
矿山井巷
释
underground service drilling hole
井下服务钻孔
用于地下采矿的充填、排水、泄水、供水、供风或布置电缆等所需的钻孔。
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Dashen
Dasheng Group
Dasheng Wula zhi dian quan shu
Dashi Avalokitesvara Temple
Da Shichang
Dashidai Literature And Art Series
Dashigou
Dashilan Commercial Building
Dashilanr
Dashi of Capital Luoyang of Northern Wei Dynasty
Dashiqiao Shi
Dashiwei Tiankeng
dash light
dash out
dashpot
Dashuangshan Dao
Dashu Changyu (More Words on Calligraphy)
Da Shu Yu Tian
DASI
Dasi
Da Siming
Dassault Aviation
Dassault Aviation S.A.
Dassera
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更新时间:2025/8/26 17:56:16