| 单词 | tunnel-borer |
| 释义 | > as lemmastunnel-borer tunnel-borer n. ΘΚΠ society > occupation and work > worker > workers according to type of work > manual or industrial worker > earth-movers, etc. > [noun] > one who makes tunnels tunnel-workman1843 tunneller1860 tunnel-borer1877 tunnel-man1897 tunnel-worker1903 rock-hog1909 1877 E. H. Knight Pract. Dict. Mech. Tunnel-borer, a ram, operated by compressed air, for making excavations through rock. 1890 J. Cagney tr. R. von Jaksch Clin. Diagnosis vi. 151 Where a severe form of anæmia occurs in labourers..especially..brick-burners, miners, and tunnel-borers. < as lemmas |
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