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- small diameter hole drilling 小口径钻进
- The deep well coal road cable of small diameter hole and high pre-tension structure and craft were studied according to the condition of high stress and composite roof in Fengcheng coal field. 结合丰城矿区高地应力、合顶板等复杂地质条件,研究深井条件下煤巷锚索采用小孔径、加高预应力的结构形式和施工工艺。
- The development of a whole high - speed steel drill for deep holes applying to medium and small diameter holes 中小孔径整体型高速钢深孔钻头的研制
- Application of small diameter hole and pre-tension cable technique in open-off cut 小孔径预应力锚索技术在开切眼中的应用
- Application of the Technique of Springing Blasting in Small Diameter Hole to the Roadbed Pitting 小孔径扩壶爆破技术在路堑开挖中的应用
- big- diameter hole drilling 大孔钻孔
- Spreading and application of the small diameter hole digged manually in the western region of Zhejiang province 浙西地区小直径人工挖孔桩的推广应用
- Mid-depth parallel cut blast technology of small diameter hole in narrow-bore tunnel 小断面隧洞小直径空眼中深直眼掏槽爆破技术
- WISDOM DEEP HOLE DRILLING MACHINE CO., LTD. 慧能深孔机械有限公司。
- Dual action: hammer drilling and hole drilling. 二模式动作:锤钻及单钻孔。
- DEEP HOLE DRILLING TECHNOLOGY LTD. 北京哈镘深孔技术有限公司。
- small diameter hole 小口径钻孔
- However, the rate of metal removal is very small, which limits the use of lasers to hole drilling and cutting operations in relatively thin materials. 不过,由于金属切削量很少,使得激光切削的应用局限于钻孔和较薄材料的切削。
- Make use of small diameter twist drill to change it into drill of wearing intersect holes and put it into the ability education of locksmith. 利用小直径麻花钻,改磨成“排孔钻”,并运用于技工学校的钳工专业技能培
- It is necessary to optimize the supply of oil mist and compressed air in the drilling case of long distance or small diameter using MQL(Minimal Quantity of Lubrication)method. 采用了微量润滑技术的钻削在长距或小孔径的条件下有必要对所供给的油雾和压缩空气进行最佳化分析。
- Now this technique is applied in the slim hole drilling in Daqing Oil Field. 目前，此项技术已在大庆油田小井眼钻井中推广应用。
- Can a smaller diameter fiber be used in the probe? 更小直径的光纤能在探测器中使用吗?
- Smaller diameter slip ring to increase brush life. 集电环减小,延长电刷使用寿命。
- Were the wire of a small diameter ,its resistance would be increased . 如果导线的直径小一些，其电阻就会增加。
- According to the servocontrol characteristic of EDM small hole drilling,this paper introduces a piezoelectric creeping driving system for EDM servo control with a single chip microdcomputer. 根据电火花微细孔加工伺服性能特点，介绍了一种单片机控制的蠕动式压电驱动电火花加工伺服控制系统。
