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- pneumatic rock hammer 风动凿岩锤
- 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。
- "In 1966,Andy Dufresne escaped from Shoeshank Prison.All they found was a muddy set of prison clothes,a bar of soap and an old rock hammer,damn near worm down to the nub. 在1966年;安迪.;杜方从沙堡监狱逃了出去;他们只能找到池塘中的囚衣;一块肥皂;和一个很旧的手锤;几乎被削成了一小块
- The Noise Control of Pneumatic Rock Drill Stell 气动凿岩机钎杆噪声的控制
- The mason was chipping away at the rock with a hammer. 石匠用锤子一点一点地把那块石头击碎。
- The Noise Source Analysis of Pneumatic Rock Drill 气动凿岩机噪声声源的分析
- Keywords Pneumatic rock drills;Dele;Design; 气动凿岩机;框架;设计;
- leg-mounted pneumatic rock drill 风动支架凿岩机
- He was chipping away at the rock with a hammer. 他用锤子一点一点地击碎那块石头。
- Magic Magic cattle and sheep in their hands wooden rocking hammer and mace, skull-bone cow bell and loud with everyone in the street parade, from time to time to go home Kushido send good wishes. 牛魔和羊魔们手持木摇槌和钉头槌、晃着牛铃,和大家一起喧闹着在街上巡游,并不时走家串户送上美好的祝愿。
- The Design of Automatic Testing System for Pneumatic Rock Drill 气动凿岩机性能测试系统的研制
- Keywords Hydraulic rock hammer;Production application;Product seriation; 液压碎石机;生产应用;产品系列化;
- The rock was honeycombed with passages. 岩石上有许多蜂窝状的小孔。
- 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
- An air hammer is a kind of pneumatic tool for industrial use. 气锤是一种工业用气动工具。
- 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。
- He crushed the rock to small pieces with a hammer. 他用铁锤把石头砸碎。
- 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
- This layer of rock contains a lot of flint. 这一岩层中有大量燧石。