| 单词 | mine engineering |
| 释义 | > as lemmasmine engineering mine engineering n. ΚΠ 1848 M. Dunn Treat. Winning & Working Collieries 104 The grand safeguard, and which is an invaluable addendum to mine engineering, is the regulation of the steam valve of the engine, by means of catrakes. 1859 Sci. Amer. 6 Aug. 87/2 The School of Mines, and the scientific and practical training it affords in mine-engineering. 1893 Manufacturer & Builder 25 131/3 Maps showing underground workings and illustrative of mine engineering. 1996 Engin. & Mining Jrnl. (Electronic ed.) 197 We support efforts to improve mining costs by safer and more productive equipment and by refined mine engineering. < as lemmas |
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