| 1. | Technical memorandum on noise from percussive piling
管制撞击式打桩工程噪音技术备忘录 |
| 2. | Rotary and percussive pneumatic tools . performance tests
旋转和冲击气动工具.性能试验 |
| 3. | Top of the ball with percussive music empty plate
Up ! up !顶起球撞击半空的音乐钢板吧 |
| 4. | Technical memorandum on noise from percussive piling ,
管制撞击式打桩工程噪音技术备忘录 |
| 5. | Drill bits with tapered connection for percussive wet rock drilling
凿岩.冲击湿式凿岩用的锥体钻头 |
| 6. | Analysis of the toppling of free - standing object under percussive effect
冲击作用下浮放物体倾倒分析 |
| 7. | Production , sale , rental or use of a handheld percussive breaker
制造、经销、出租或使用手提撞击式破碎机 |
| 8. | Realization of automatic percussive drilling by microcomputer control system
微机控制自动冲击钻进的实现 |
| 9. | Construction noise permits for the carrying out of percussive piling
进行撞击式打桩工程的建筑噪音许可证 |
| 10. | Methods for performance tests for rotary and percussive pneumatic tools
旋转和冲击气动工具的性能试验方法 |
