| 释义 |
‖ planilla|plaˈniʎa|
[Sp. Amer. dim. of plana a level.]
A cleaning-floor at a Californian mining-station.
1877Raymond Statist. Mines & Mining 5 Sheds over planillas at Day tunnel and Deep Gulch tunnel. Ibid. 7 A much larger quantity of waste vein-matter..has to be examined and passed over the planillas or cleaning-floors. |