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bore-bit | |||
drill adapter; drill head | |||
bore bit; percussion bit | |||
drilling head | |||
bit; drill bit; rock drill steel | |||
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drill bit |
钎头: 84 phrases in 9 subjects |
Aviation | 1 |
Drilling | 1 |
Electric machinery | 1 |
Engineering geology | 2 |
Explosives and Explosive Ordnance Disposal | 1 |
Metallurgy | 2 |
Rail transport | 1 |
Refrigeration | 2 |
Technology | 73 |