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- LOW CARBON MARTENSITE STEEL FOR ROCK DRILLING ROD 低碳马氏体钢重型凿岩钎杆的研制
- The Transient Dynamics Analysis of Impact Rock Drilling Rod 冲击凿岩钎杆的瞬态动力学分析
- rock drilling rod 凿岩钎杆
- Integral Short Drill Rod Type DZ. 型整体式短钻杆。
- 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。
- The rock drill is indispensable for digging coal mines. 凿岩机是煤炭采掘不可缺少的工具。
- The rig is equipped with an upper spherical jaw holding mechanism and hexagonal drive drilling rod which can be replaced without shutdown, high efficiency, safe and reliable. 钻机配有上球卡式夹持机构并带有六方主动钻杆,可实行不停机倒杆,工作效率高,安全可靠。
- Model QW50A Air Operated Slips is a wellhead tools. Mainly used to clipping tubing and drilling rod which raise or put down at well repairing service operation. QW50A气动卡瓦是油田修井作业时，安装在井口上用于卡紧油管及类似管柱的一种工具。
- 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.
- Handheld Rock drill with Joined Rod 接杆凿岩的手持式凿岩机
- 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。
- 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 drill rod was designed not rotative,and the piston can turn around along with the chuck fixed on the spindle,so relative rotational movement between them takes place when the lathe runs,and the centre bore drilling was effected. 由于钻杆自身不旋转,而工件被夹持在液压卡盘上随主轴一起旋转,中心孔钻相对工件产生相对旋转运动,从而实现钻削功能。
- 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
- The extension drill rod which can be used for higher capacity drill,the drill hole can be extended to sezeral meetrs, when drilling the straight hole,the core lifter can help coring. 选用加长钻杆于较大能力的钻机，可将钻孔延深至数米，钻垂直孔时，可采用取芯器配合取芯。
- Ideal for vertical installations on earth augers or rock drills. 理想的垂直装配,质量更高。
- Dongfang Drill Rod Factory in Yanggu County.Shandong province,one of the "hi-new technology enterprise in Shandong procince",id specialized in manufacturing various complete stone drilling tooling. 山东阳谷县东方钎具厂是生产各种配套凿岩钎具的专业生产厂，系“山东省高新技术企业”。
- 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
- We quickly dragged out sandals and entered the water and only think Liangyi attacks, the fish in the river were hurried panic of the rock drilling. 我们连忙拖掉凉鞋，步入水中，只觉得凉意袭人，溪中的小鱼也被惊的慌忙钻进了石头下面。
- The floating Rotary Head avoids abnormally wearing of drill rods' threads. 滑动式动力头，避免钻杆丝扣的非正常磨损；
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- 深远海浮式风电平台 - deep-sea floating wind power platform
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- 京雄高速公路 - Beijing-Xiongan expressway
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- 农业及相关产业增加值 - the added value of agriculture and related industries
