combination bit
| and
| mud socket
| combination bit | |
| O&G. tech. | 组合位格式 |
| AND | |
| el. | 与; 逻辑电路"与" |
| and | |
| gen. | 并; 及; 和; 及; 加; 并且 |
| busin. | 以及; 与 |
| mud socket | |
| tech. | 淤泥筒; 泥浆抽筒 |
| |||
| 组合位格式 | |||
| 综合钻头 | |||
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combination bit : 8 phrases in 5 subjects |
| Mechanics | 1 |
| Metallurgy | 1 |
| Oil / petroleum | 1 |
| Technology | 4 |
| Telecommunications | 1 |