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| 钻杆把凿岩机的冲击力和回转力矩,传递给钻头的器件。根据使用条件、凿岩机种类、爆破方法的不同,除了可以选用锥形接头钻杆、接续钻杆外，还可选用螺旋钻杆、麻花钻杆等 | |||
| 圆钢筋; 钢筋 | |||
| rod steel: 47 phrases in 12 subjects |
| Architecture | 1 |
| Bridge construction | 1 |
| Chemistry | 1 |
| Company name | 1 |
| Compressors | 3 |
| Electric machinery | 1 |
| Hydroelectric power stations | 1 |
| Metallurgy | 12 |
| Oil / petroleum | 2 |
| Rail transport | 1 |
| Shipbuilding | 2 |
| Technology | 21 |
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