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- The Noise Control of Pneumatic Rock Drill Stell 气动凿岩机钎杆噪声的控制
- The Noise Source Analysis of Pneumatic Rock Drill 气动凿岩机噪声声源的分析
- leg-mounted pneumatic rock drill 风动支架凿岩机
- The test bed can be used to measure such parameters as impact frequency, r. p. m of a rod and air consumption of pneumatic rock drills to evaluate their performances. 利用该试验台可检测气动凿岩机的冲击频率、钎杆转速、耗气量等参数,以判别凿岩机质量。
- The Design of Automatic Testing System for Pneumatic Rock Drill 气动凿岩机性能测试系统的研制
- Failure Analysis and Improvements of Spiral Nut of Pneumatic Rock Drill 气动凿岩机螺旋母失效分析及改进
- General technical condition of pneumatic rock drill used in coal mine 煤矿用气动凿岩机通用技术条件
- Keywords Pneumatic rock drills;Dele;Design; 气动凿岩机;框架;设计;
- This drill can bore through rock. 这台钻机能钻透岩石。
- Influence of the stroke position on the property of valveless pneumatic rock drill 打击点位置对无阀气动凿岩机性能的影响
- THE CONSTRUCTION DESIGN AND THE FUNCTION TEST OF THE MUFFLER FOR PNEUMATIC ROCK DRILL 气动凿岩机消声罩的结构设计及性能测试
- Keywords Valved pneumatic rock drill Stroke position Test Impact energy Impact frequency; 有阀气动凿岩机打击点位置试验冲击能量冲击频率;
- The retiring miner delivered his pneumatic drill over to his successor. 这位即将退休的矿工把风钻移交给他的接班人。
- The rock was honeycombed with passages. 岩石上有许多蜂窝状的小孔。
- Many young rock hounds grow up to be geologists. 许许多多爱好收集岩石的少年,长大后成了地质学家。
- The climber had to negotiate a steep rock face. 那攀登者得攀越一陡峭岩石。
- This layer of rock contains a lot of flint. 这一岩层中有大量燧石。
- The water had worn a channel in the rock. 水把岩石冲出了一条沟。
- He dash the glass bowl to bit on a rock. 他对著石块把玻璃碗砸得粉碎。
- The mountain rise up in a steep wall of rock. 这座山高而陡,形成一道岩石屏障。