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undercutting level
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undercutting level
Encyclopedia
工学
开拓工程
释
undercutting level
拉底水平
为地下矿山回采工作开辟底部自由面,由拉底巷道向两侧扩帮,将矿房底面拉开至足够大,补充爆破空间或者为应力作用下矿石自然崩落创造条件而进行开挖的作业水平。
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Los Angeles photochemical smog episode
Los Angeles photochemical smog event
Los Angeles School
Los Angeles Times
Los Angeles-type smog
LoSan Ken
Losartan
Loschmidt
Loschmidt constant
Loschmidt constant, Loschmidt number
Loschmidt echo
Loschmidt number
Loschmidt paradox
Loschmidt reversibility paradox
Loschmidt's reversibility paradox
[Loschmidt's] reversibility paradox
Losenko Anton Pavlovich
Lo Shu
Losik
Losik complex
losing coalition
Losiny Ostrov (Elk Island ) National Park
Lo So Shing
loss
loss angle
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