бороздовое опробование | |
construct. | trenching study |
geol. | trenching |
goldmin. | channel sampling; trench sampling |
поверхность | |
gen. | surface; superficies; exteriority; external; upside |
канава | |
gen. | ditch |
| |||
trenching study (Andy) | |||
trenching | |||
channel sampling (по способу отбора MichaelBurov); trench sampling (по способу отбора MichaelBurov) | |||
channel sampling (vbadalov); sampling channel sampling |
бороздовое опробование: 4 phrases in 1 subject |
Gold mining | 4 |