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石子嵌入胎面嵌入石子 | |||
凿岩; 凿岩机 | |||
凿石 (工作) |
rock drilling : 31 phrases in 8 subjects |
Drilling | 1 |
Earth sciences | 2 |
Engineering geology | 7 |
Explosives and Explosive Ordnance Disposal | 6 |
Hydroelectric power stations | 3 |
Nautical | 1 |
Rail transport | 1 |
Technology | 10 |