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单词 opencut
释义

opencut

1 of 2

noun

1
: a mine working in which excavation is performed from the surface compare strip mine
2
: a trench for the passage of a roadway or railway through an obstruction (as a hill)
distinguished from tunnel

opencut

2 of 2

adverb (or adjective)

"
: with the surface exposed to the air or worked from the exposed surface
an opencut iron mine
a copper mine worked opencut
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更新时间:2024/12/23 22:25:39