Mining. A sudden shift or slippage of the strata in a mine, often caused by the collapse of a supporting pillar; a mining incident or accident…
| 单词 | θ5127 |
| 释义 | the world > the earth > structure of the earth > formation of features > tectonization or diastrophism > [noun] > subsidence (5) bump1860 Mining. A sudden shift or slippage of the strata in a mine, often caused by the collapse of a supporting pillar; a mining incident or accident… roll1883 Mining. = bump, n.2 7. Obsolete. rare. overdeepening1901 The action or process of overdeepen, v. cauldron subsidence1909 transferred. in Geology (see quot. 1961). load-casting1953 the formation of load casts. |
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