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- percussion type air drill 撞击式风动钻机
- It is the new type Air Erasable Pen,we believe this new product will i... 产品说明： 传统气消笔、褪色笔的升级产品。
- There into, the air grinding machine, air drill and air water pump was awarded Shanghai excellent product and the Science and Technology Awards by CSSC. 气动工具有11个系列40多种产品，其中角向磨光机、气钻以及气动抽水泵等产品分别获得上海市优质产品和中国船舶工业总公司科技成果奖；
- It is the new type Air Erasable Pen, we believe this new product will instead of normal Air Erasable Pen. 产品说明:传统气消笔、褪色笔的升级产品。
- A new type air vent of blast furnace is designed through research and analysis on pneumatics theory. 通过气体力学理论的研究与分析，设计了一种新型的高炉风口；
- Percussion type vibratory pile hammer 冲击式振动筛
- The blockader and the nick type air defense adopt fire areas connection to form chain type air defense that used to the territory defense. 摘要封锁式防空和阻击式防空一般采用火力区相互接壤而形成链式防空，链式防空用于疆土防御。
- The washing type air cleaner can remove the aerosol, soluble gases, microorganisms, dusts as well as poisonous and sensitizing matters from the air by CIO-produced by the cleaner. 洗涤式空气净化器可以去除空气中的气溶胶、可溶性气体、微生物、尘埃等各种大小不同的空气污染物，并将它们分解成无害物质。
- Calculations showed that a new type air to air missile installing on the remodeled military aircraft could get a better affordability than its prototype. 通过计算可知，在改型飞机上加装新型空空导弹可使改型飞机的可承受性优于原型机；
- Application Premium quality dispersant type oils intended for rotary sliding vane and screw type air compressors with injection cooling systems. Particularly operating under severe conditions. 用途优质具扩散性能润滑油。主要用于配备喷注冷却系统的旋转滑叶式及螺旋式空气压缩机。特别适用于严苛的操作环境。
- Inclination of hole-section penetrated by air drilling can be controlled within planned range,and its hol... 这表明大庆油田外围深部地层稳定性良好,适合应用空气钻井技术。
- A similar board used as a percussion instrument. 敲击板用作打击乐器的一种类似的板
- Air drilling is one of the effective means to increase drilling ROP, able to reach an ROP several times that of a conventional drilling. 采用空气钻井技术提高钻井机械钻速非常有效,钻速是常规钻井机械的数倍。
- SHIFENG TIAN,ADEWUMI M A.Multiphase hydrodynamic model predicts important phenomena in air drilling hydraulics[J].SPE 21559. 陈家琅;陈涛平;魏兆胜.;抽油机井的气液两相流动[M]
- The experiment presented in this report was performed to evaluate the effects of threenew types air purification device at 2.5 L/s/p (5 cfm/person) outside airflow rate. 本课题中;三个新型的空气净化装置在室外风流量为2.;5 L/s/p的情况下被检测和评价。
- Air has a low density and great compressibility.The volumetric flow rate of air in air drilling varies with pressure and temperature,which in turn,change with wll depth. 气体不仅密度低,而且具有很大的可压缩性,所以空气钻井的体积流量将随压力和温度变化,而压力和温度又随井深变化。
- Integral Short Drill Rod Type DZ. 型整体式短钻杆。
- direct impact type air speed indicator 直冲式风速计
- In a printer, the removable type element. 印刷机上可拆卸的打印部件。
- Percussion instruments or their players considered as a group. 把打击乐器或他们的演奏者看成一组
