| 单词 | Drift mine |
| 释义 |
Drift mine
原声例句
经济学人 Science and technology What lies beneath In April Turkey's navy began to scan the Black Sea for drifting mines by flying tai Anka drones carrying a synthetic-aperture radar system made by Meteksan Defence, a firm in Ankara. 下面是什么 4 月，土耳其海军开始扫描黑海的漂浮水雷，其飞行的安卡无人机携带由安卡拉的一家公司 Meteksan Defence 制造的合成孔径雷达系统。
英语百科
Drift mining（重定向自Drift mine）
   Drift mining is either the mining of an ore deposit by underground methods, or the working of coal seams accessed by adits driven into the surface outcrop of the coal bed. A drift mine is an underground mine in which the entry or access is above water level and generally on the slope of a hill, driven horizontally into the ore seam. Random House dictionary says the origin of the term "drift mine" is an Americanism, circa 1885-1890. |
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