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单词
pillar of water-prevention
释义
pillar of water-prevention
Encyclopedia
工学
水害治理
释
pillar for water-preventing;pillar of water-prevention
防水矿柱
采矿工作面接近具有危害性的充水空间或导水通道有充水溶洞、老采空区(老窑)、导水的大断层等时,为了防止地下水突然涌入矿坑而保留的部分矿体。
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lopping-round
lopseed family
Lop Xian
Loqqiqloqyil Zaqsiilzaqyil,Narrative Poem of Hani
Loquacious ZhangDamin's Happy Life
loquat
loquat leaf
Loran
loran
Loran-A chain
Loran-A system
LORAN-C
Loran-C
Loran-C chain
loran chart
Loran-C system
Loran triad
Lord Bao Makes an Apology
Lord Chamberlain's Men
Lord Chunshen
Lord Frederick Lugard
Lord Gongxiao of Chu, Ma Xi’e
Lord Haw-Haw Case
Lord Hengyang of Chu, Ma Xisheng
Lord Howe Island
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