| |||
percussion drilling | |||
percussive drilling | |||
chum drilling; jump drilling | |||
cable boring; cable tool drilling; churn drilling; free-fall boring; hammer drilling; impact drilling; jar; plug drilling | |||
boring with line; cable drilling; percussion boring; percussive boring | |||
| |||
percussion drilling; percussion boring; percussive drilling | |||
| |||
shock wave drilling | |||
| |||
chuck drilling |
冲击 钻进 : 96 phrases in 8 subjects |
Construction | 1 |
Drilling | 1 |
Earth sciences | 2 |
Electronics | 2 |
Engineering geology | 32 |
Explosives and Explosive Ordnance Disposal | 4 |
Oil / petroleum | 1 |
Technology | 53 |