| 释义 |
spaller|ˈspɔːlə(r)|
[f. spall v.1]
1. A person employed in spalling.
1843Holtzapffel Turning I. 171 The spallers employ heavy axe-formed or muckle-hammers, for spalling or scaling off smaller flakes. 1884C. G. W. Lock Workshop Receipts Ser. iii. 51/2 The poor ore of the spallers is subjected to the cobbling process. 1894Labour Commission Gloss., Spallers, women who, with a mallet, break the tin-ore as it comes from the mine-shaft into small pieces.
2. A spalling-machine.
1877Raymond Statist. Mines & Mining 37 The quartz can be delivered at the ‘spaller’ for less than $2 per ton. |