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to phrases
悬石
gen.
balmstone
悬石
在底部被切割的岩体,即在露天开采中,被前期爆破切割了底部的岩体。悬垂状态:采用崩坍爆破时,主要爆破下部岩体,上部岩石靠爆破振动和自重坍落。但有时会发生爆破体上方岩石未能坍落,而残留成悬垂状态的现象,在这种情况下要及时处理
expl.
overhang
悬石
:
22 phrases
in 7 subjects
Biology
2
Compressors
1
General
6
Hydroelectric power stations
1
Mechanics
1
Space
1
Technology
10
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