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hydraulic rig | |||
hydraulic drive rig; hydrodrill | |||
hydraulic feed drill | |||
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hydraulic drill |
液压钻机 : 31 phrases in 6 subjects |
Drilling | 1 |
Engineering geology | 4 |
Explosives and Explosive Ordnance Disposal | 1 |
Metallurgy | 1 |
Oil / petroleum | 5 |
Technology | 19 |