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选择性开采 | |
tech. | high grading; selective mining |
程序 | |
hydroel.st. | procedure; program; process; routine |
manag. | procedures; proceedings |
math. | coding |
sport. | programme |
| |||
high grading; selective mining (法) |
选择性开采: 3 phrases in 2 subjects |
Oil / petroleum | 1 |
Technology | 2 |