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- Because their cross sections are almost equilateral hexagons,the equilateral hexagons rock drill steels are regarded as my research objects. 钎杆用中空钢,简称“钎钢”,截面以正六角形和圆形为主,因此本文以正六角形钎杆用中空钢为研究对象。
- hollow rock drill steel 中空钎钢
- rock drill steel 凿岩钎钢
- Rock drilling equipment.Hollow drill steels in bar form 凿岩钎杆用中空钢
- The rock drill is indispensable for digging coal mines. 凿岩机是煤炭采掘不可缺少的工具。
- In well-drilling project, corrosion of drill steel and pipeline is ubiquitous phenomena. 油田钻具和管道系统腐蚀是油田工程中普遍存在的问题。
- Main applications:For piercing seamless steel tubes such as stainless steel, drill steel and high temperature alloy steel. 用途：用于穿制不锈钢、合金钢和高温合金等无缝管。如有特殊要求，可协商解决。
- Mini rock drill has been produced based on patented technology for rock drill warm extrusion. 采用钎头壳体温挤压精密成形专利技术生产了小型凿岩钎头。
- Products:Air compressor, Genset, Concrete Mixer, Concrete Mixing Plant, Rock Drill For Mining. 产品：空压机，发电机，混凝土搅拌机，搅拌站，搅拌车和钻具
- Fax:0769-22687018 Products:Air compressor, Genset, Concrete Mixer, Concrete Mixing Plant, Rock Drill For Mining. 产品：空压机，发电机，混凝土搅拌机，搅拌站，搅拌车和钻具
- Ideal for vertical installations on earth augers or rock drills. 理想的垂直装配,质量更高。
- With its panoramic camera and microscope, its rock drill, spectrographs and magnetic dust collector, the robot will search for clues about the watery past of that desert world. 利用全景相机、显微镜、钻岩机、光谱摄影机及磁力集尘器，巡?者号将寻找这个荒芜世界过去是否有水存在的线索。
- Features: rock drilling for opencast mining and quarrying field. 适用于露天矿、采石场开采，用于高低风压潜孔钻机。
- LHS Rock Tools CO.,LTD-Rock tools,Rock drills,Rock drilling ... 辽宁葫芦岛莲花山凿岩钎具有限公司（LHS）生产优批发、莲花山凿岩.
- Tianshui, Shenyang, Nanjing, Atlas and other gas-ho, the wind motive rock drill, drill hole submersible vehicles, such as mining, municipal machinery and equipment. 天水、沈阳、南京、阿特拉斯等各种气镐、风动机凿岩机、潜孔钻车等矿山、市政机械设备。
- Clogged or cave-in of the hole, can lead to a stuck drill. It is best therefore, to cleans the hole regular intervals, by carrying out air-blowing with the rock drill. 因为堵块和空穴都可能导致卡钻，因此应定期采用冲击器强吹，定期清洗孔底。
- Instead, they applied drilling steel, pickaxe and bearing cushion contained slight technological element. 他们重新分配人手,并将吊车暂时停下来,动之以钢钎、镐头、还有略有科技含量的承重气垫。
- odd number side hollow drill steel 奇数边中空钢
- The impact hammer of a hydraulic rock drill is a mechanism with high pressure and high frequency.Its seal performances affect the efficient,energy consumption and steadiness of the rock drill. 液压凿岩机冲击锤属高压、高频工作机构，其密封性能直接影响凿岩机的工作效率、能量消耗和作业的稳定性。
- Hello, Thank you for calling Ingersoll Rard(Guilin)Tools company Limited.We are engage in producing percussive tools, pump and rock drill。We are connecting for you， Please hold on. 广告彩铃铃音内容参考: 第一条：您好，感谢致电英格索兰（桂林）工具有限公司，我公司专业生产气动工具，泵，凿岩机，正在为您接通，请稍后。
