牙轮钻机 meaning in English
roller-bit hole rig
rotary drill rig
Examples
- The improvement of ky - 150 type rotary drill travel unit
150型牙轮钻机行走部改造 - Speed regulating of gear wheel rigs by frequency conversion
牙轮钻机变频调速 - The personal computer control system for roller drill
牙轮钻机微机控制系统 - Industrial test method of open - cut mine rotary blast hole drill
露天矿用牙轮钻机和旋转钻机工业试验方法 - Development and application of track shoe tensioner of toothed roller - bit drill
牙轮钻机履带板调紧器的研制与应用