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- 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。
- Integral Short Drill Rod Type DZ. 型整体式短钻杆。
- The drill rig adopts hydraulic transmission way to realize the rotation,propulsion,getting up and pulling of drill,as well as adjustment and fixing of drill rod obliquity during working. 该机工作过程中钻具的旋转、推进、起拔以及钻杆倾角的调整和固定等动作全部采用液压传动方式实现;
- Is the earliest Chinese manufacturer of the aluminium alloy cooling rods for the drill rod welding in the PTC industry. 公司以扎实的科研力量为依托，雄厚的生产实力为基础。
- 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；
- The floating trailing plates avoid abnormally wearing of drill rods' threads. 浮动式动力头拖板，避免钻杆丝扣的非正常磨损；
- Mainly Renmo milling cutter, reamer, pulling knives, plate-shaped lathe tool, knife inserted teeth and bore drilling. 主要用于刃磨铣刀、铰刀、拉刀、盘形车刀、插齿刀及扩孔钻等。
- This drill can bore through rock. 这台钻机能钻透岩石。
- Rotary drill rod used for coal mining roofbolter 煤矿锚杆钻机用回转钻杆
- Shape and dimension of shank for drill rod 凿岩机导杆形状及尺寸
- Form ties Bolt bore: bore drilling should be done when first time used form plate assembling on site to keep away from steel bar and reduce blank out bore happened. 7对拉螺栓孔：第一次使用的模板应在现场组装就位时钻孔，以避开钢筋，减少废孔的出现。
- 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。
- 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。
- The road opened out into a dual carriageway. 这条路已扩展成了复式车行道。
- 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。
- Our torpedo boats bore down on the enemy cruiser. 我方面鱼雷艇向敌巡洋舰冲去。
- 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”。
- An enemy frigate bore down on the sloop. 一艘敌驱逐舰向这只护航舰逼过来。
- Breaking Reasons and Precautionary of Drill Rod Big Bore Pipeline Directional Passing Through 大口径管道定向钻穿越中钻杆断裂原因及预防措施
- He bore down as he approached the finish line. 接近终点线时，他拼尽全力加速。
