... Drill bits and auger bits 木钻头和螺旋钻头 auger drill 螺旋钻 ; 螺旋钻井装置 ; 回转式钻岩机 auger drill head 螺旋钻头 ...
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... auger electron spectroscopy[光谱学]俄歇电子能谱学 auger drill螺旋钻；回转式钻岩机；螺旋钻井装置 auger mining螺旋钻机开采薄煤层法 ...
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auger-drill head 麻花钻头
auger drill head 螺旋钻头
auger drill miner 螺旋钻采煤机
dry-auger drill 干法螺旋钻
long auger drill 长螺旋钻
auger drill mining 螺旋钻探采矿
multi function auger drill 多功能旋挖钻机
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。
Combined with engineering example the characteristics of auger drill and construction defects for special strata are discussed.
结合工程实例，论证了旋挖钻机的特点及在特殊地层的施工缺陷。
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。
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