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base tunnel
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English
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English
Wikipedia
has an article on:
base tunnel
Wikipedia
Noun
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base
tunnel
(
plural
base tunnels
)
(
transport
,
civil engineering
)
A
tunnel
driven
through the base of a
mountain
pass
, rather than through the upper slopes of the mountains.
Coordinate terms
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summit tunnel
Categories
:
English lemmas
English nouns
English countable nouns
English multiword terms
en:Transport