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- rotary air drill 回转式风钻
- A rotary air sampler loaded with manital salt and Pseudomonas selection agar media strips were used to collect the samples from various sites. 使用装有甘露醇盐琼脂及绿脓杆菌特异琼脂之旋转式空气采样器进行采样。
- So, the study on the operating characteristics of synchronal rotary air conditioner compressor is necessary. 因此，对同步回转式空调压缩机的热、动力特性研究，具有重要的理论意义和现实意义。
- 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；
- Rotary Air compressors use two meshed rotating positive-displacement helical screws to force the gas into a smaller space. 充分发挥经济师在经济建设中应有的作用，提高行业道德水平，促进我省工程造价咨询业持续、健康、有序的发展。
- New idea toward the calculation methods for the rotary air preheater rotator mushroom type deformation and the installation method of folding gaskets. were put forward the calculation method for the pre-arangement of the folding line gap was presented. 摘要对回转式空气预热器转子蘑菇状变形量的计算方法和密封片的安装方法提出了新的观点，并对这折线密封间隙的预留提出了新的计算方法。
- Highly refined premium quality &modern compressor oil for use in reciprocating &Rotary air compressor. Can anti-oxidants and anti-rust, thus best result of reduced wear and sludge. 高度精炼的优质空压机油可用于往复及旋转式空压机中，能够防止气化和锈蚀，减少磨损和积垢获得满意效果。
- Application of Dual-Seals in a Rotary Air Heater 双道密封技术在回转式空气预热器上的应用
- 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。
- Analysis on Rotary Air Preheater Plugged up Dust 回转式空气预热器堵灰原因分析
- sliding vane rotary air compressor 滑片回转式空压机
- The air in the garden was warm and fragrant. 花园里的空气一片温馨。
- The archers sent their shafts through the air. 弓箭手向空中射出利箭。
- 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。
- The drill string is rotated by rotary table. 钻柱是由转盘驱动的。
- 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]
- trailer type sliding vane rotary air compressor 拖车式滑片回转空气压缩机
- Effective Modification of Rotary Air Separator 离心式选粉机的高效改造
- 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。
- Keywords Rotary air preheater;Boiler;Air leakage; 旋转式空气预热器;锅炉;漏风;
