| 单词 |
helicopter yarding |
| 释义 |
helicopter yarding helicopter yarding[′hel·ə‚käp·tər ¦yard·iŋ] (forestry) A technique that uses a helicopter to bring logs from a forest to a wide level spot along a road where the logs can be loaded onto trucks for hauling to a sawmill; used where steep terrain and unstable ground makes it impossible to build roads without damaging watersheds. |
| 随便看 |
- kovalevskii, egor petrovich
- kovalevskii, evgraf
- kovalevskii, evgraf petrovich
- kovalevskii, maksim
- kovalevskii, maksim maksimovich
- kovalevskii, nikolai
- kovalevskii, nikolai osipovich
- kovalevskii's law
- kovalevskii, vladimir
- kovalevskii, vladimir onufrievich
- kovalevsky, alexander o
- kovalevsky, alexander o.
- kovalevsky canal
- kovalevsky sonya
- kovalevsky, sonya
- kovalev, viktor
- kovalev, viktor semenovich
- kovalik, sergei
- kovalik, sergei filippovich
- kovaliv, stepan
- kovaliv, stepan mikhailovich
- koval, marian
- koval, marian viktorovich
- kovalskaia, elizaveta
- kovalskaia, elizaveta nikolaevna
|