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- Research on Direction Control Techology of Auger Drill Miner Drill 螺旋钻采煤机钻具定向控制技术的研究
- auger drill miner 螺旋钻采煤机
- The speed of soil delivering and resistance of auger drill are analyzed theoretically and their formulae are presented. 对螺旋钻具输土速度与阻力进行理论分析,给出了输土速度公式和阻力公式。
- Based on the machine development, a research and analyses of auger drill bits with different kinds of drill tips and soil cut blade angles were carried out in tree planting field. 在设备研制成功的基础上;对钻孔机钻头不同钻尖、不同切土刀刃角进行了实地试验研究和分析.
- The drill and drilling tools brought advantages in this test, and a lot of construction cautions of auger drilling technology were summarized. 通过本次试验发挥了钻机及钻具的优势，并总结了螺旋钻进技术一些注意事项。
- Auger Design and Manufacture of Flight Auger Drill 螺旋钻机搅龙的设计和制作技术
- Optimizing Choice Basic Parameter of Auger Drill 螺旋钻机主参数的优化研究
- Vacuum Auger Drill for Gas Sampling 取气用真空螺旋钻机具
- Construction technology of auger drill 旋挖钻机施工工艺及控制
- The conclusion presents important references for design and selection of auger drills. 研究结果对螺旋钻具的设计和选用具有重要指导意义。
- He doubles the parts of a farmhand and a miner. 在这出戏里他既扮演雇农又扮演矿工。
- Test for Soil Delivering Speed and Resistance of Auger Drill 螺旋钻具输土速度与阻力的实验
- Causes for Bit Freezing of Auger Drill and Its Countermeasure 旋挖钻机卡钻原因及其对策
- A miner's lamp is fixed onto his helmet. 矿灯固定在矿工的头盔上。
- The retiring miner delivered his pneumatic drill over to his successor. 这位即将退休的矿工把风钻移交给他的接班人。
- How to develop the advantages of auger drill for special strata 谈如何使旋挖钻机在特殊地层发挥优势
- Advantages of auger drill in bored pile construction 浅议旋挖钻施工钻孔桩的优势
- The gold miner staked out his claim. 那位淘金者立桩标出他的地界。
- Improvement of fully hydraulic auger drill and its application 全液压旋挖钻机的施工改进与应用
- He sketched the coal miner in a few minutes. 他几分钟就画了一幅那位煤矿工人的素描。
