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top-slicing
top slicing
mining.
下向分层陷落开采
securit.
顶切法
|
mining
mining
gen.
矿业
busin.
采矿的
econ.
开采
IMF. од.
采矿业
met.
采矿
steel.
釆矿
tech.
开矿
to phrases
top slicing
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mining.
下向分层陷落开采
securit.
所得税
顶切法
tech.
下行分层崩落采矿法
;
分层崩落采矿法
;
上部剥落
top-slicing
:
9 phrases
in 2 subjects
Mining
2
Technology
7
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