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地上结构
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Subject
Chinese
English
tech.
上地幔结构
upper mantle structure
tech.
发电厂
地上结构
power-house superstructure
tech.
地上结构
superstructure
expl.
地面以上结构
surface structure
expl.
调查结果表明、飞石事故是由以下一个以上的因素促成的: 地质及岩石结构的非连续性、炮孔布置和装药量不适当、抵抗线不足、炸药能量高度集中、填塞不足
Investigations of flyrock accidents have revealed one or more of the following contributing factors:
I
discontinuity in the geology and rock structure,
II
improper blast hole layout and loading,
III
insufficient burden,
IV
very high explosive concentration, and
V
inadequate stemming
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