deep-level

形容词 adj.
中文释义

英文释义

形容词 adj.
  1. Built or occurring underground at a relatively deep level. not-comparable
    — Plans were prepared under the auspices of the L.S.W.R. by W. R. Galbraith and R. F. Church, with J. F. Greathead in consultation, for a deep-level electric line on the tube principle, 1½ miles long, from a point under the main-line terminus at Waterloo to the eastern end of Queen Victoria Street, […].
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